diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line
diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 02d53a3..449f8cc 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -30,7 +30,10 @@
         /**
          * When passed to an event handler, this will be the original DOM Event that was captured
          *
-         * @member {Event}
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+         * @member {MouseEvent|TouchEvent|PointerEvent}
          */
         this.originalEvent = null;
     }

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line
diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 02d53a3..449f8cc 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -30,7 +30,10 @@
         /**
          * When passed to an event handler, this will be the original DOM Event that was captured
          *
-         * @member {Event}
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+         * @member {MouseEvent|TouchEvent|PointerEvent}
          */
         this.originalEvent = null;
     }
diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 8baf13a..2d75c7c 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -13,6 +13,14 @@
 
 const MOUSE_POINTER_ID = 'MOUSE';
 
+// helpers for hitTest() - only used inside hitTest()
+const hitTestEvent = {
+    target: null,
+    data: {
+        global: null,
+    },
+};
+
 /**
  * The interaction manager deals with mouse, touch and pointer events. Any DisplayObject can be interactive
  * if its interactive parameter is set to true
@@ -245,67 +253,60 @@
         this.setTargetElement(this.renderer.view, this.renderer.resolution);
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed on the display
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display
          * object.
          *
-         * @event mousedown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * on the display object.
          *
-         * @event rightdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released over the display
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
          * object.
          *
-         * @event mouseup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is released
          * over the display object.
          *
-         * @event rightup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed and released on
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
          * the display object.
          *
-         * @event click
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * and released on the display object.
          *
-         * @event rightclick
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released outside the
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
          * display object that initially registered a
          * [mousedown]{@link PIXI.interaction.InteractionManager#event:mousedown}.
          *
-         * @event mouseupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
@@ -313,146 +314,362 @@
          * outside the display object that initially registered a
          * [rightdown]{@link PIXI.interaction.InteractionManager#event:rightdown}.
          *
-         * @event rightupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved while over the display object
          *
-         * @event mousemove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved onto the display object
          *
-         * @event mouseover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved off the display object
          *
-         * @event mouseout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed on the display object.
          *
-         * @event pointerdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released over the display object.
          *
-         * @event pointerup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a pointer event
          *
-         * @event pointercancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed and released on the display object.
          *
-         * @event pointertap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released outside the display object that initially
          * registered a [pointerdown]{@link PIXI.interaction.InteractionManager#event:pointerdown}.
          *
-         * @event pointerupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved while over the display object
          *
-         * @event pointermove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved onto the display object
          *
-         * @event pointerover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved off the display object
          *
-         * @event pointerout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed on the display object.
          *
-         * @event touchstart
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed from the display object.
          *
-         * @event touchend
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a touch
          *
-         * @event touchcancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed and removed from the display object.
          *
-         * @event tap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed outside of the display object that initially
          * registered a [touchstart]{@link PIXI.interaction.InteractionManager#event:touchstart}.
          *
-         * @event touchendoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is moved along the display object.
          *
-         * @event touchmove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display.
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * over the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
+         * the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * and released on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
+         * display object that initially registered a
+         * [mousedown]{@link PIXI.DisplayObject#event:mousedown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * outside the display object that initially registered a
+         * [rightdown]{@link PIXI.DisplayObject#event:rightdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a pointer event.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed and released on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released outside the display object that initially
+         * registered a [pointerdown]{@link PIXI.DisplayObject#event:pointerdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a touch.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed and removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed outside of the display object that initially
+         * registered a [touchstart]{@link PIXI.DisplayObject#event:touchstart}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is moved along the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+    }
+
+    /**
+     * Hit tests a point against the display tree, returning the first interactive object that is hit.
+     *
+     * @param {PIXI.Point} globalPoint - A point to hit test with, in global space.
+     * @param {PIXI.Container} [root] - The root display object to start from. If omitted, defaults
+     * to the last rendered root of the associated renderer.
+     * @return {PIXI.DisplayObject} The hit display object, if any.
+     */
+    hitTest(globalPoint, root)
+    {
+        // clear the target for our hit test
+        hitTestEvent.target = null;
+        // assign the global point
+        hitTestEvent.data.global = globalPoint;
+        // ensure safety of the root
+        if (!root)
+        {
+            root = this.renderer._lastObjectRendered;
+        }
+        // run the hit test
+        this.processInteractive(hitTestEvent, root, null, true);
+        // return our found object - it'll be null if we didn't hit anything
+
+        return hitTestEvent.target;
     }
 
     /**
@@ -487,7 +704,7 @@
             return;
         }
 
-        core.ticker.shared.add(this.update, this);
+        core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.INTERACTION);
 
         if (window.navigator.msPointerEnabled)
         {
@@ -804,8 +1021,6 @@
             }
         }
 
-        let keepHitTestingAfterChildren = hitTest;
-
         // ** FREE TIP **! If an object is not interactive or has no buttons in it
         // (such as a game scene!) set interactiveChildren to false for that displayObject.
         // This will allow pixi to completely ignore and bypass checking the displayObjects children.
@@ -818,7 +1033,9 @@
                 const child = children[i];
 
                 // time to get recursive.. if this function will return if something is hit..
-                if (this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent))
+                const childHit = this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent);
+
+                if (childHit)
                 {
                     // its a good idea to check if a child has lost its parent.
                     // this means it has been removed whilst looping so its best
@@ -827,8 +1044,6 @@
                         continue;
                     }
 
-                    hit = true;
-
                     // we no longer need to hit test any more objects in this container as we we
                     // now know the parent has been hit
                     interactiveParent = false;
@@ -838,36 +1053,41 @@
                     // This means we no longer need to hit test anything else. We still need to run
                     // through all objects, but we don't need to perform any hit tests.
 
-                    keepHitTestingAfterChildren = false;
-
-                    if (child.interactive)
+                    if (childHit)
                     {
-                        hitTest = false;
+                        if (interactionEvent.target)
+                        {
+                            hitTest = false;
+                        }
+                        hit = true;
                     }
-
-                    // we can break now as we have hit an object.
                 }
             }
         }
 
-        hitTest = keepHitTestingAfterChildren;
-
         // no point running this if the item is not interactive or does not have an interactive parent.
         if (interactive)
         {
             // if we are hit testing (as in we have no hit any objects yet)
             // We also don't need to worry about hit testing if once of the displayObjects children
-            // has already been hit!
-            if (hitTest && !hit)
+            // has already been hit - but only if it was interactive, otherwise we need to keep
+            // looking for an interactive child, just in case we hit one
+            if (hitTest && !interactionEvent.target)
             {
                 if (displayObject.hitArea)
                 {
                     displayObject.worldTransform.applyInverse(point, this._tempPoint);
-                    hit = displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y);
+                    if (displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y))
+                    {
+                        hit = true;
+                    }
                 }
                 else if (displayObject.containsPoint)
                 {
-                    hit = displayObject.containsPoint(point);
+                    if (displayObject.containsPoint(point))
+                    {
+                        hit = true;
+                    }
                 }
             }
 
@@ -878,7 +1098,10 @@
                     interactionEvent.target = displayObject;
                 }
 
-                func(interactionEvent, displayObject, hit);
+                if (func)
+                {
+                    func(interactionEvent, displayObject, !!hit);
+                }
             }
         }
 
@@ -914,7 +1137,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -998,7 +1221,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1098,7 +1321,7 @@
 
             const test = isRightButton ? flags.RIGHT_DOWN : flags.LEFT_DOWN;
 
-            const isDown = trackingData !== undefined && (trackingData.flags | test);
+            const isDown = trackingData !== undefined && (trackingData.flags & test);
 
             if (hit)
             {
@@ -1118,11 +1341,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }
@@ -1180,7 +1403,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1255,7 +1478,7 @@
             this.setCursorMode(null);
         }
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1268,6 +1491,12 @@
         {
             this.emit('mouseout', interactionEvent);
         }
+        else
+        {
+            // we can get touchleave events after touchend, so we want to make sure we don't
+            // introduce memory leaks
+            this.releaseInteractionDataForPointerId(interactionData.identifier);
+        }
     }
 
     /**
@@ -1344,7 +1573,7 @@
         // Only mouse and pointer can call onPointerOver, so events will always be length 1
         const event = events[0];
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1366,12 +1595,14 @@
      * Get InteractionData for a given pointerId. Store that data as well
      *
      * @private
-     * @param {number} pointerId - Identifier from a pointer event
+     * @param {PointerEvent} event - Normalized pointer event, output from normalizeToPointerData
      * @return {InteractionData} - Interaction data for the given pointer identifier
      */
-    getInteractionDataForPointerId(pointerId)
+    getInteractionDataForPointerId(event)
     {
-        if (pointerId === MOUSE_POINTER_ID)
+        const pointerId = event.pointerId;
+
+        if (pointerId === MOUSE_POINTER_ID || event.pointerType === 'mouse')
         {
             return this.mouse;
         }

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line
diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 02d53a3..449f8cc 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -30,7 +30,10 @@
         /**
          * When passed to an event handler, this will be the original DOM Event that was captured
          *
-         * @member {Event}
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+         * @member {MouseEvent|TouchEvent|PointerEvent}
          */
         this.originalEvent = null;
     }
diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 8baf13a..2d75c7c 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -13,6 +13,14 @@
 
 const MOUSE_POINTER_ID = 'MOUSE';
 
+// helpers for hitTest() - only used inside hitTest()
+const hitTestEvent = {
+    target: null,
+    data: {
+        global: null,
+    },
+};
+
 /**
  * The interaction manager deals with mouse, touch and pointer events. Any DisplayObject can be interactive
  * if its interactive parameter is set to true
@@ -245,67 +253,60 @@
         this.setTargetElement(this.renderer.view, this.renderer.resolution);
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed on the display
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display
          * object.
          *
-         * @event mousedown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * on the display object.
          *
-         * @event rightdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released over the display
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
          * object.
          *
-         * @event mouseup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is released
          * over the display object.
          *
-         * @event rightup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed and released on
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
          * the display object.
          *
-         * @event click
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * and released on the display object.
          *
-         * @event rightclick
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released outside the
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
          * display object that initially registered a
          * [mousedown]{@link PIXI.interaction.InteractionManager#event:mousedown}.
          *
-         * @event mouseupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
@@ -313,146 +314,362 @@
          * outside the display object that initially registered a
          * [rightdown]{@link PIXI.interaction.InteractionManager#event:rightdown}.
          *
-         * @event rightupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved while over the display object
          *
-         * @event mousemove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved onto the display object
          *
-         * @event mouseover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved off the display object
          *
-         * @event mouseout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed on the display object.
          *
-         * @event pointerdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released over the display object.
          *
-         * @event pointerup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a pointer event
          *
-         * @event pointercancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed and released on the display object.
          *
-         * @event pointertap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released outside the display object that initially
          * registered a [pointerdown]{@link PIXI.interaction.InteractionManager#event:pointerdown}.
          *
-         * @event pointerupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved while over the display object
          *
-         * @event pointermove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved onto the display object
          *
-         * @event pointerover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved off the display object
          *
-         * @event pointerout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed on the display object.
          *
-         * @event touchstart
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed from the display object.
          *
-         * @event touchend
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a touch
          *
-         * @event touchcancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed and removed from the display object.
          *
-         * @event tap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed outside of the display object that initially
          * registered a [touchstart]{@link PIXI.interaction.InteractionManager#event:touchstart}.
          *
-         * @event touchendoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is moved along the display object.
          *
-         * @event touchmove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display.
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * over the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
+         * the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * and released on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
+         * display object that initially registered a
+         * [mousedown]{@link PIXI.DisplayObject#event:mousedown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * outside the display object that initially registered a
+         * [rightdown]{@link PIXI.DisplayObject#event:rightdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a pointer event.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed and released on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released outside the display object that initially
+         * registered a [pointerdown]{@link PIXI.DisplayObject#event:pointerdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a touch.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed and removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed outside of the display object that initially
+         * registered a [touchstart]{@link PIXI.DisplayObject#event:touchstart}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is moved along the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+    }
+
+    /**
+     * Hit tests a point against the display tree, returning the first interactive object that is hit.
+     *
+     * @param {PIXI.Point} globalPoint - A point to hit test with, in global space.
+     * @param {PIXI.Container} [root] - The root display object to start from. If omitted, defaults
+     * to the last rendered root of the associated renderer.
+     * @return {PIXI.DisplayObject} The hit display object, if any.
+     */
+    hitTest(globalPoint, root)
+    {
+        // clear the target for our hit test
+        hitTestEvent.target = null;
+        // assign the global point
+        hitTestEvent.data.global = globalPoint;
+        // ensure safety of the root
+        if (!root)
+        {
+            root = this.renderer._lastObjectRendered;
+        }
+        // run the hit test
+        this.processInteractive(hitTestEvent, root, null, true);
+        // return our found object - it'll be null if we didn't hit anything
+
+        return hitTestEvent.target;
     }
 
     /**
@@ -487,7 +704,7 @@
             return;
         }
 
-        core.ticker.shared.add(this.update, this);
+        core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.INTERACTION);
 
         if (window.navigator.msPointerEnabled)
         {
@@ -804,8 +1021,6 @@
             }
         }
 
-        let keepHitTestingAfterChildren = hitTest;
-
         // ** FREE TIP **! If an object is not interactive or has no buttons in it
         // (such as a game scene!) set interactiveChildren to false for that displayObject.
         // This will allow pixi to completely ignore and bypass checking the displayObjects children.
@@ -818,7 +1033,9 @@
                 const child = children[i];
 
                 // time to get recursive.. if this function will return if something is hit..
-                if (this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent))
+                const childHit = this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent);
+
+                if (childHit)
                 {
                     // its a good idea to check if a child has lost its parent.
                     // this means it has been removed whilst looping so its best
@@ -827,8 +1044,6 @@
                         continue;
                     }
 
-                    hit = true;
-
                     // we no longer need to hit test any more objects in this container as we we
                     // now know the parent has been hit
                     interactiveParent = false;
@@ -838,36 +1053,41 @@
                     // This means we no longer need to hit test anything else. We still need to run
                     // through all objects, but we don't need to perform any hit tests.
 
-                    keepHitTestingAfterChildren = false;
-
-                    if (child.interactive)
+                    if (childHit)
                     {
-                        hitTest = false;
+                        if (interactionEvent.target)
+                        {
+                            hitTest = false;
+                        }
+                        hit = true;
                     }
-
-                    // we can break now as we have hit an object.
                 }
             }
         }
 
-        hitTest = keepHitTestingAfterChildren;
-
         // no point running this if the item is not interactive or does not have an interactive parent.
         if (interactive)
         {
             // if we are hit testing (as in we have no hit any objects yet)
             // We also don't need to worry about hit testing if once of the displayObjects children
-            // has already been hit!
-            if (hitTest && !hit)
+            // has already been hit - but only if it was interactive, otherwise we need to keep
+            // looking for an interactive child, just in case we hit one
+            if (hitTest && !interactionEvent.target)
             {
                 if (displayObject.hitArea)
                 {
                     displayObject.worldTransform.applyInverse(point, this._tempPoint);
-                    hit = displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y);
+                    if (displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y))
+                    {
+                        hit = true;
+                    }
                 }
                 else if (displayObject.containsPoint)
                 {
-                    hit = displayObject.containsPoint(point);
+                    if (displayObject.containsPoint(point))
+                    {
+                        hit = true;
+                    }
                 }
             }
 
@@ -878,7 +1098,10 @@
                     interactionEvent.target = displayObject;
                 }
 
-                func(interactionEvent, displayObject, hit);
+                if (func)
+                {
+                    func(interactionEvent, displayObject, !!hit);
+                }
             }
         }
 
@@ -914,7 +1137,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -998,7 +1221,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1098,7 +1321,7 @@
 
             const test = isRightButton ? flags.RIGHT_DOWN : flags.LEFT_DOWN;
 
-            const isDown = trackingData !== undefined && (trackingData.flags | test);
+            const isDown = trackingData !== undefined && (trackingData.flags & test);
 
             if (hit)
             {
@@ -1118,11 +1341,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }
@@ -1180,7 +1403,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1255,7 +1478,7 @@
             this.setCursorMode(null);
         }
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1268,6 +1491,12 @@
         {
             this.emit('mouseout', interactionEvent);
         }
+        else
+        {
+            // we can get touchleave events after touchend, so we want to make sure we don't
+            // introduce memory leaks
+            this.releaseInteractionDataForPointerId(interactionData.identifier);
+        }
     }
 
     /**
@@ -1344,7 +1573,7 @@
         // Only mouse and pointer can call onPointerOver, so events will always be length 1
         const event = events[0];
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1366,12 +1595,14 @@
      * Get InteractionData for a given pointerId. Store that data as well
      *
      * @private
-     * @param {number} pointerId - Identifier from a pointer event
+     * @param {PointerEvent} event - Normalized pointer event, output from normalizeToPointerData
      * @return {InteractionData} - Interaction data for the given pointer identifier
      */
-    getInteractionDataForPointerId(pointerId)
+    getInteractionDataForPointerId(event)
     {
-        if (pointerId === MOUSE_POINTER_ID)
+        const pointerId = event.pointerId;
+
+        if (pointerId === MOUSE_POINTER_ID || event.pointerType === 'mouse')
         {
             return this.mouse;
         }
diff --git a/src/interaction/InteractionTrackingData.js b/src/interaction/InteractionTrackingData.js
index 6a1f69e..8493b63 100644
--- a/src/interaction/InteractionTrackingData.js
+++ b/src/interaction/InteractionTrackingData.js
@@ -35,8 +35,10 @@
     }
 
     /**
+     * Unique pointer id of the event
+     *
      * @readonly
-     * @type {number} Unique pointer id of the event
+     * @member {number}
      */
     get pointerId()
     {

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line
diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 02d53a3..449f8cc 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -30,7 +30,10 @@
         /**
          * When passed to an event handler, this will be the original DOM Event that was captured
          *
-         * @member {Event}
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+         * @member {MouseEvent|TouchEvent|PointerEvent}
          */
         this.originalEvent = null;
     }
diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 8baf13a..2d75c7c 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -13,6 +13,14 @@
 
 const MOUSE_POINTER_ID = 'MOUSE';
 
+// helpers for hitTest() - only used inside hitTest()
+const hitTestEvent = {
+    target: null,
+    data: {
+        global: null,
+    },
+};
+
 /**
  * The interaction manager deals with mouse, touch and pointer events. Any DisplayObject can be interactive
  * if its interactive parameter is set to true
@@ -245,67 +253,60 @@
         this.setTargetElement(this.renderer.view, this.renderer.resolution);
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed on the display
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display
          * object.
          *
-         * @event mousedown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * on the display object.
          *
-         * @event rightdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released over the display
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
          * object.
          *
-         * @event mouseup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is released
          * over the display object.
          *
-         * @event rightup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed and released on
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
          * the display object.
          *
-         * @event click
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * and released on the display object.
          *
-         * @event rightclick
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released outside the
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
          * display object that initially registered a
          * [mousedown]{@link PIXI.interaction.InteractionManager#event:mousedown}.
          *
-         * @event mouseupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
@@ -313,146 +314,362 @@
          * outside the display object that initially registered a
          * [rightdown]{@link PIXI.interaction.InteractionManager#event:rightdown}.
          *
-         * @event rightupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved while over the display object
          *
-         * @event mousemove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved onto the display object
          *
-         * @event mouseover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved off the display object
          *
-         * @event mouseout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed on the display object.
          *
-         * @event pointerdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released over the display object.
          *
-         * @event pointerup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a pointer event
          *
-         * @event pointercancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed and released on the display object.
          *
-         * @event pointertap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released outside the display object that initially
          * registered a [pointerdown]{@link PIXI.interaction.InteractionManager#event:pointerdown}.
          *
-         * @event pointerupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved while over the display object
          *
-         * @event pointermove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved onto the display object
          *
-         * @event pointerover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved off the display object
          *
-         * @event pointerout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed on the display object.
          *
-         * @event touchstart
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed from the display object.
          *
-         * @event touchend
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a touch
          *
-         * @event touchcancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed and removed from the display object.
          *
-         * @event tap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed outside of the display object that initially
          * registered a [touchstart]{@link PIXI.interaction.InteractionManager#event:touchstart}.
          *
-         * @event touchendoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is moved along the display object.
          *
-         * @event touchmove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display.
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * over the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
+         * the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * and released on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
+         * display object that initially registered a
+         * [mousedown]{@link PIXI.DisplayObject#event:mousedown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * outside the display object that initially registered a
+         * [rightdown]{@link PIXI.DisplayObject#event:rightdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a pointer event.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed and released on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released outside the display object that initially
+         * registered a [pointerdown]{@link PIXI.DisplayObject#event:pointerdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a touch.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed and removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed outside of the display object that initially
+         * registered a [touchstart]{@link PIXI.DisplayObject#event:touchstart}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is moved along the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+    }
+
+    /**
+     * Hit tests a point against the display tree, returning the first interactive object that is hit.
+     *
+     * @param {PIXI.Point} globalPoint - A point to hit test with, in global space.
+     * @param {PIXI.Container} [root] - The root display object to start from. If omitted, defaults
+     * to the last rendered root of the associated renderer.
+     * @return {PIXI.DisplayObject} The hit display object, if any.
+     */
+    hitTest(globalPoint, root)
+    {
+        // clear the target for our hit test
+        hitTestEvent.target = null;
+        // assign the global point
+        hitTestEvent.data.global = globalPoint;
+        // ensure safety of the root
+        if (!root)
+        {
+            root = this.renderer._lastObjectRendered;
+        }
+        // run the hit test
+        this.processInteractive(hitTestEvent, root, null, true);
+        // return our found object - it'll be null if we didn't hit anything
+
+        return hitTestEvent.target;
     }
 
     /**
@@ -487,7 +704,7 @@
             return;
         }
 
-        core.ticker.shared.add(this.update, this);
+        core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.INTERACTION);
 
         if (window.navigator.msPointerEnabled)
         {
@@ -804,8 +1021,6 @@
             }
         }
 
-        let keepHitTestingAfterChildren = hitTest;
-
         // ** FREE TIP **! If an object is not interactive or has no buttons in it
         // (such as a game scene!) set interactiveChildren to false for that displayObject.
         // This will allow pixi to completely ignore and bypass checking the displayObjects children.
@@ -818,7 +1033,9 @@
                 const child = children[i];
 
                 // time to get recursive.. if this function will return if something is hit..
-                if (this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent))
+                const childHit = this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent);
+
+                if (childHit)
                 {
                     // its a good idea to check if a child has lost its parent.
                     // this means it has been removed whilst looping so its best
@@ -827,8 +1044,6 @@
                         continue;
                     }
 
-                    hit = true;
-
                     // we no longer need to hit test any more objects in this container as we we
                     // now know the parent has been hit
                     interactiveParent = false;
@@ -838,36 +1053,41 @@
                     // This means we no longer need to hit test anything else. We still need to run
                     // through all objects, but we don't need to perform any hit tests.
 
-                    keepHitTestingAfterChildren = false;
-
-                    if (child.interactive)
+                    if (childHit)
                     {
-                        hitTest = false;
+                        if (interactionEvent.target)
+                        {
+                            hitTest = false;
+                        }
+                        hit = true;
                     }
-
-                    // we can break now as we have hit an object.
                 }
             }
         }
 
-        hitTest = keepHitTestingAfterChildren;
-
         // no point running this if the item is not interactive or does not have an interactive parent.
         if (interactive)
         {
             // if we are hit testing (as in we have no hit any objects yet)
             // We also don't need to worry about hit testing if once of the displayObjects children
-            // has already been hit!
-            if (hitTest && !hit)
+            // has already been hit - but only if it was interactive, otherwise we need to keep
+            // looking for an interactive child, just in case we hit one
+            if (hitTest && !interactionEvent.target)
             {
                 if (displayObject.hitArea)
                 {
                     displayObject.worldTransform.applyInverse(point, this._tempPoint);
-                    hit = displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y);
+                    if (displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y))
+                    {
+                        hit = true;
+                    }
                 }
                 else if (displayObject.containsPoint)
                 {
-                    hit = displayObject.containsPoint(point);
+                    if (displayObject.containsPoint(point))
+                    {
+                        hit = true;
+                    }
                 }
             }
 
@@ -878,7 +1098,10 @@
                     interactionEvent.target = displayObject;
                 }
 
-                func(interactionEvent, displayObject, hit);
+                if (func)
+                {
+                    func(interactionEvent, displayObject, !!hit);
+                }
             }
         }
 
@@ -914,7 +1137,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -998,7 +1221,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1098,7 +1321,7 @@
 
             const test = isRightButton ? flags.RIGHT_DOWN : flags.LEFT_DOWN;
 
-            const isDown = trackingData !== undefined && (trackingData.flags | test);
+            const isDown = trackingData !== undefined && (trackingData.flags & test);
 
             if (hit)
             {
@@ -1118,11 +1341,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }
@@ -1180,7 +1403,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1255,7 +1478,7 @@
             this.setCursorMode(null);
         }
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1268,6 +1491,12 @@
         {
             this.emit('mouseout', interactionEvent);
         }
+        else
+        {
+            // we can get touchleave events after touchend, so we want to make sure we don't
+            // introduce memory leaks
+            this.releaseInteractionDataForPointerId(interactionData.identifier);
+        }
     }
 
     /**
@@ -1344,7 +1573,7 @@
         // Only mouse and pointer can call onPointerOver, so events will always be length 1
         const event = events[0];
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1366,12 +1595,14 @@
      * Get InteractionData for a given pointerId. Store that data as well
      *
      * @private
-     * @param {number} pointerId - Identifier from a pointer event
+     * @param {PointerEvent} event - Normalized pointer event, output from normalizeToPointerData
      * @return {InteractionData} - Interaction data for the given pointer identifier
      */
-    getInteractionDataForPointerId(pointerId)
+    getInteractionDataForPointerId(event)
     {
-        if (pointerId === MOUSE_POINTER_ID)
+        const pointerId = event.pointerId;
+
+        if (pointerId === MOUSE_POINTER_ID || event.pointerType === 'mouse')
         {
             return this.mouse;
         }
diff --git a/src/interaction/InteractionTrackingData.js b/src/interaction/InteractionTrackingData.js
index 6a1f69e..8493b63 100644
--- a/src/interaction/InteractionTrackingData.js
+++ b/src/interaction/InteractionTrackingData.js
@@ -35,8 +35,10 @@
     }
 
     /**
+     * Unique pointer id of the event
+     *
      * @readonly
-     * @type {number} Unique pointer id of the event
+     * @member {number}
      */
     get pointerId()
     {
diff --git a/src/interaction/index.js b/src/interaction/index.js
index 56c5b09..72f7d71 100644
--- a/src/interaction/index.js
+++ b/src/interaction/index.js
@@ -1,4 +1,8 @@
 /**
+ * This namespace contains a renderer plugin for handling mouse, pointer, and touch events.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.interaction
  */
 export { default as InteractionData } from './InteractionData';

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line
diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 02d53a3..449f8cc 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -30,7 +30,10 @@
         /**
          * When passed to an event handler, this will be the original DOM Event that was captured
          *
-         * @member {Event}
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+         * @member {MouseEvent|TouchEvent|PointerEvent}
          */
         this.originalEvent = null;
     }
diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 8baf13a..2d75c7c 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -13,6 +13,14 @@
 
 const MOUSE_POINTER_ID = 'MOUSE';
 
+// helpers for hitTest() - only used inside hitTest()
+const hitTestEvent = {
+    target: null,
+    data: {
+        global: null,
+    },
+};
+
 /**
  * The interaction manager deals with mouse, touch and pointer events. Any DisplayObject can be interactive
  * if its interactive parameter is set to true
@@ -245,67 +253,60 @@
         this.setTargetElement(this.renderer.view, this.renderer.resolution);
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed on the display
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display
          * object.
          *
-         * @event mousedown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * on the display object.
          *
-         * @event rightdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released over the display
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
          * object.
          *
-         * @event mouseup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is released
          * over the display object.
          *
-         * @event rightup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed and released on
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
          * the display object.
          *
-         * @event click
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * and released on the display object.
          *
-         * @event rightclick
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released outside the
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
          * display object that initially registered a
          * [mousedown]{@link PIXI.interaction.InteractionManager#event:mousedown}.
          *
-         * @event mouseupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
@@ -313,146 +314,362 @@
          * outside the display object that initially registered a
          * [rightdown]{@link PIXI.interaction.InteractionManager#event:rightdown}.
          *
-         * @event rightupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved while over the display object
          *
-         * @event mousemove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved onto the display object
          *
-         * @event mouseover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved off the display object
          *
-         * @event mouseout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed on the display object.
          *
-         * @event pointerdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released over the display object.
          *
-         * @event pointerup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a pointer event
          *
-         * @event pointercancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed and released on the display object.
          *
-         * @event pointertap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released outside the display object that initially
          * registered a [pointerdown]{@link PIXI.interaction.InteractionManager#event:pointerdown}.
          *
-         * @event pointerupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved while over the display object
          *
-         * @event pointermove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved onto the display object
          *
-         * @event pointerover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved off the display object
          *
-         * @event pointerout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed on the display object.
          *
-         * @event touchstart
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed from the display object.
          *
-         * @event touchend
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a touch
          *
-         * @event touchcancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed and removed from the display object.
          *
-         * @event tap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed outside of the display object that initially
          * registered a [touchstart]{@link PIXI.interaction.InteractionManager#event:touchstart}.
          *
-         * @event touchendoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is moved along the display object.
          *
-         * @event touchmove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display.
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * over the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
+         * the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * and released on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
+         * display object that initially registered a
+         * [mousedown]{@link PIXI.DisplayObject#event:mousedown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * outside the display object that initially registered a
+         * [rightdown]{@link PIXI.DisplayObject#event:rightdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a pointer event.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed and released on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released outside the display object that initially
+         * registered a [pointerdown]{@link PIXI.DisplayObject#event:pointerdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a touch.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed and removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed outside of the display object that initially
+         * registered a [touchstart]{@link PIXI.DisplayObject#event:touchstart}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is moved along the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+    }
+
+    /**
+     * Hit tests a point against the display tree, returning the first interactive object that is hit.
+     *
+     * @param {PIXI.Point} globalPoint - A point to hit test with, in global space.
+     * @param {PIXI.Container} [root] - The root display object to start from. If omitted, defaults
+     * to the last rendered root of the associated renderer.
+     * @return {PIXI.DisplayObject} The hit display object, if any.
+     */
+    hitTest(globalPoint, root)
+    {
+        // clear the target for our hit test
+        hitTestEvent.target = null;
+        // assign the global point
+        hitTestEvent.data.global = globalPoint;
+        // ensure safety of the root
+        if (!root)
+        {
+            root = this.renderer._lastObjectRendered;
+        }
+        // run the hit test
+        this.processInteractive(hitTestEvent, root, null, true);
+        // return our found object - it'll be null if we didn't hit anything
+
+        return hitTestEvent.target;
     }
 
     /**
@@ -487,7 +704,7 @@
             return;
         }
 
-        core.ticker.shared.add(this.update, this);
+        core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.INTERACTION);
 
         if (window.navigator.msPointerEnabled)
         {
@@ -804,8 +1021,6 @@
             }
         }
 
-        let keepHitTestingAfterChildren = hitTest;
-
         // ** FREE TIP **! If an object is not interactive or has no buttons in it
         // (such as a game scene!) set interactiveChildren to false for that displayObject.
         // This will allow pixi to completely ignore and bypass checking the displayObjects children.
@@ -818,7 +1033,9 @@
                 const child = children[i];
 
                 // time to get recursive.. if this function will return if something is hit..
-                if (this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent))
+                const childHit = this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent);
+
+                if (childHit)
                 {
                     // its a good idea to check if a child has lost its parent.
                     // this means it has been removed whilst looping so its best
@@ -827,8 +1044,6 @@
                         continue;
                     }
 
-                    hit = true;
-
                     // we no longer need to hit test any more objects in this container as we we
                     // now know the parent has been hit
                     interactiveParent = false;
@@ -838,36 +1053,41 @@
                     // This means we no longer need to hit test anything else. We still need to run
                     // through all objects, but we don't need to perform any hit tests.
 
-                    keepHitTestingAfterChildren = false;
-
-                    if (child.interactive)
+                    if (childHit)
                     {
-                        hitTest = false;
+                        if (interactionEvent.target)
+                        {
+                            hitTest = false;
+                        }
+                        hit = true;
                     }
-
-                    // we can break now as we have hit an object.
                 }
             }
         }
 
-        hitTest = keepHitTestingAfterChildren;
-
         // no point running this if the item is not interactive or does not have an interactive parent.
         if (interactive)
         {
             // if we are hit testing (as in we have no hit any objects yet)
             // We also don't need to worry about hit testing if once of the displayObjects children
-            // has already been hit!
-            if (hitTest && !hit)
+            // has already been hit - but only if it was interactive, otherwise we need to keep
+            // looking for an interactive child, just in case we hit one
+            if (hitTest && !interactionEvent.target)
             {
                 if (displayObject.hitArea)
                 {
                     displayObject.worldTransform.applyInverse(point, this._tempPoint);
-                    hit = displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y);
+                    if (displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y))
+                    {
+                        hit = true;
+                    }
                 }
                 else if (displayObject.containsPoint)
                 {
-                    hit = displayObject.containsPoint(point);
+                    if (displayObject.containsPoint(point))
+                    {
+                        hit = true;
+                    }
                 }
             }
 
@@ -878,7 +1098,10 @@
                     interactionEvent.target = displayObject;
                 }
 
-                func(interactionEvent, displayObject, hit);
+                if (func)
+                {
+                    func(interactionEvent, displayObject, !!hit);
+                }
             }
         }
 
@@ -914,7 +1137,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -998,7 +1221,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1098,7 +1321,7 @@
 
             const test = isRightButton ? flags.RIGHT_DOWN : flags.LEFT_DOWN;
 
-            const isDown = trackingData !== undefined && (trackingData.flags | test);
+            const isDown = trackingData !== undefined && (trackingData.flags & test);
 
             if (hit)
             {
@@ -1118,11 +1341,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }
@@ -1180,7 +1403,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1255,7 +1478,7 @@
             this.setCursorMode(null);
         }
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1268,6 +1491,12 @@
         {
             this.emit('mouseout', interactionEvent);
         }
+        else
+        {
+            // we can get touchleave events after touchend, so we want to make sure we don't
+            // introduce memory leaks
+            this.releaseInteractionDataForPointerId(interactionData.identifier);
+        }
     }
 
     /**
@@ -1344,7 +1573,7 @@
         // Only mouse and pointer can call onPointerOver, so events will always be length 1
         const event = events[0];
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1366,12 +1595,14 @@
      * Get InteractionData for a given pointerId. Store that data as well
      *
      * @private
-     * @param {number} pointerId - Identifier from a pointer event
+     * @param {PointerEvent} event - Normalized pointer event, output from normalizeToPointerData
      * @return {InteractionData} - Interaction data for the given pointer identifier
      */
-    getInteractionDataForPointerId(pointerId)
+    getInteractionDataForPointerId(event)
     {
-        if (pointerId === MOUSE_POINTER_ID)
+        const pointerId = event.pointerId;
+
+        if (pointerId === MOUSE_POINTER_ID || event.pointerType === 'mouse')
         {
             return this.mouse;
         }
diff --git a/src/interaction/InteractionTrackingData.js b/src/interaction/InteractionTrackingData.js
index 6a1f69e..8493b63 100644
--- a/src/interaction/InteractionTrackingData.js
+++ b/src/interaction/InteractionTrackingData.js
@@ -35,8 +35,10 @@
     }
 
     /**
+     * Unique pointer id of the event
+     *
      * @readonly
-     * @type {number} Unique pointer id of the event
+     * @member {number}
      */
     get pointerId()
     {
diff --git a/src/interaction/index.js b/src/interaction/index.js
index 56c5b09..72f7d71 100644
--- a/src/interaction/index.js
+++ b/src/interaction/index.js
@@ -1,4 +1,8 @@
 /**
+ * This namespace contains a renderer plugin for handling mouse, pointer, and touch events.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.interaction
  */
 export { default as InteractionData } from './InteractionData';
diff --git a/src/interaction/interactiveTarget.js b/src/interaction/interactiveTarget.js
index d252fba..cebac40 100644
--- a/src/interaction/interactiveTarget.js
+++ b/src/interaction/interactiveTarget.js
@@ -2,7 +2,7 @@
  * Default property values of interactive objects
  * Used by {@link PIXI.interaction.InteractionManager} to automatically give all DisplayObjects these properties
  *
- * @mixin
+ * @private
  * @name interactiveTarget
  * @memberof PIXI.interaction
  * @example
@@ -14,18 +14,28 @@
  *      );
  */
 export default {
+
     /**
-     * Determines if the displayObject be clicked/touched
+     * Enable interaction events for the DisplayObject. Touch, pointer and mouse
+     * events will not be emitted unless `interactive` is set to `true`.
      *
-     * @inner {boolean}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.on('tap', (event) => {
+     *    //handle event
+     * });
+     * @member {boolean}
+     * @memberof PIXI.DisplayObject#
      */
     interactive: false,
 
     /**
      * Determines if the children to the displayObject can be clicked/touched
-     * Setting this to false allows pixi to bypass a recursive hitTest function
+     * Setting this to false allows pixi to bypass a recursive `hitTest` function
      *
-     * @inner {boolean}
+     * @member {boolean}
+     * @memberof PIXI.Container#
      */
     interactiveChildren: true,
 
@@ -33,7 +43,12 @@
      * Interaction shape. Children will be hit first, then this shape will be checked.
      * Setting this will cause this shape to be checked in hit tests rather than the displayObject's bounds.
      *
-     * @inner {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.hitArea = new PIXI.Rectangle(0, 0, 100, 100);
+     * @member {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @memberof PIXI.DisplayObject#
      */
     hitArea: null,
 
@@ -41,8 +56,12 @@
      * If enabled, the mouse cursor use the pointer behavior when hovered over the displayObject if it is interactive
      * Setting this changes the 'cursor' property to `'pointer'`.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.buttonMode = true;
      * @member {boolean}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      */
     get buttonMode()
     {
@@ -64,9 +83,14 @@
      * This defines what cursor mode is used when the mouse cursor
      * is hovered over the displayObject.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.cursor = 'wait';
      * @see https://developer.mozilla.org/en/docs/Web/CSS/cursor
      *
-     * @inner {string}
+     * @member {string}
+     * @memberof PIXI.DisplayObject#
      */
     cursor: null,
 
@@ -74,7 +98,7 @@
      * Internal set of all active pointers, by identifier
      *
      * @member {Map<number, InteractionTrackingData>}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      * @private
      */
     get trackedPointers()
@@ -87,7 +111,8 @@
     /**
      * Map of all tracked pointers, by identifier. Use trackedPointers to access.
      *
-     * @private {Map<number, InteractionTrackingData>}
+     * @private
+     * @type {Map<number, InteractionTrackingData>}
      */
     _trackedPointers: undefined,
 };

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line
diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 02d53a3..449f8cc 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -30,7 +30,10 @@
         /**
          * When passed to an event handler, this will be the original DOM Event that was captured
          *
-         * @member {Event}
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+         * @member {MouseEvent|TouchEvent|PointerEvent}
          */
         this.originalEvent = null;
     }
diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 8baf13a..2d75c7c 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -13,6 +13,14 @@
 
 const MOUSE_POINTER_ID = 'MOUSE';
 
+// helpers for hitTest() - only used inside hitTest()
+const hitTestEvent = {
+    target: null,
+    data: {
+        global: null,
+    },
+};
+
 /**
  * The interaction manager deals with mouse, touch and pointer events. Any DisplayObject can be interactive
  * if its interactive parameter is set to true
@@ -245,67 +253,60 @@
         this.setTargetElement(this.renderer.view, this.renderer.resolution);
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed on the display
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display
          * object.
          *
-         * @event mousedown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * on the display object.
          *
-         * @event rightdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released over the display
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
          * object.
          *
-         * @event mouseup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is released
          * over the display object.
          *
-         * @event rightup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed and released on
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
          * the display object.
          *
-         * @event click
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * and released on the display object.
          *
-         * @event rightclick
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released outside the
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
          * display object that initially registered a
          * [mousedown]{@link PIXI.interaction.InteractionManager#event:mousedown}.
          *
-         * @event mouseupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
@@ -313,146 +314,362 @@
          * outside the display object that initially registered a
          * [rightdown]{@link PIXI.interaction.InteractionManager#event:rightdown}.
          *
-         * @event rightupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved while over the display object
          *
-         * @event mousemove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved onto the display object
          *
-         * @event mouseover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved off the display object
          *
-         * @event mouseout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed on the display object.
          *
-         * @event pointerdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released over the display object.
          *
-         * @event pointerup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a pointer event
          *
-         * @event pointercancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed and released on the display object.
          *
-         * @event pointertap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released outside the display object that initially
          * registered a [pointerdown]{@link PIXI.interaction.InteractionManager#event:pointerdown}.
          *
-         * @event pointerupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved while over the display object
          *
-         * @event pointermove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved onto the display object
          *
-         * @event pointerover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved off the display object
          *
-         * @event pointerout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed on the display object.
          *
-         * @event touchstart
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed from the display object.
          *
-         * @event touchend
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a touch
          *
-         * @event touchcancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed and removed from the display object.
          *
-         * @event tap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed outside of the display object that initially
          * registered a [touchstart]{@link PIXI.interaction.InteractionManager#event:touchstart}.
          *
-         * @event touchendoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is moved along the display object.
          *
-         * @event touchmove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display.
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * over the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
+         * the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * and released on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
+         * display object that initially registered a
+         * [mousedown]{@link PIXI.DisplayObject#event:mousedown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * outside the display object that initially registered a
+         * [rightdown]{@link PIXI.DisplayObject#event:rightdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a pointer event.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed and released on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released outside the display object that initially
+         * registered a [pointerdown]{@link PIXI.DisplayObject#event:pointerdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a touch.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed and removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed outside of the display object that initially
+         * registered a [touchstart]{@link PIXI.DisplayObject#event:touchstart}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is moved along the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+    }
+
+    /**
+     * Hit tests a point against the display tree, returning the first interactive object that is hit.
+     *
+     * @param {PIXI.Point} globalPoint - A point to hit test with, in global space.
+     * @param {PIXI.Container} [root] - The root display object to start from. If omitted, defaults
+     * to the last rendered root of the associated renderer.
+     * @return {PIXI.DisplayObject} The hit display object, if any.
+     */
+    hitTest(globalPoint, root)
+    {
+        // clear the target for our hit test
+        hitTestEvent.target = null;
+        // assign the global point
+        hitTestEvent.data.global = globalPoint;
+        // ensure safety of the root
+        if (!root)
+        {
+            root = this.renderer._lastObjectRendered;
+        }
+        // run the hit test
+        this.processInteractive(hitTestEvent, root, null, true);
+        // return our found object - it'll be null if we didn't hit anything
+
+        return hitTestEvent.target;
     }
 
     /**
@@ -487,7 +704,7 @@
             return;
         }
 
-        core.ticker.shared.add(this.update, this);
+        core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.INTERACTION);
 
         if (window.navigator.msPointerEnabled)
         {
@@ -804,8 +1021,6 @@
             }
         }
 
-        let keepHitTestingAfterChildren = hitTest;
-
         // ** FREE TIP **! If an object is not interactive or has no buttons in it
         // (such as a game scene!) set interactiveChildren to false for that displayObject.
         // This will allow pixi to completely ignore and bypass checking the displayObjects children.
@@ -818,7 +1033,9 @@
                 const child = children[i];
 
                 // time to get recursive.. if this function will return if something is hit..
-                if (this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent))
+                const childHit = this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent);
+
+                if (childHit)
                 {
                     // its a good idea to check if a child has lost its parent.
                     // this means it has been removed whilst looping so its best
@@ -827,8 +1044,6 @@
                         continue;
                     }
 
-                    hit = true;
-
                     // we no longer need to hit test any more objects in this container as we we
                     // now know the parent has been hit
                     interactiveParent = false;
@@ -838,36 +1053,41 @@
                     // This means we no longer need to hit test anything else. We still need to run
                     // through all objects, but we don't need to perform any hit tests.
 
-                    keepHitTestingAfterChildren = false;
-
-                    if (child.interactive)
+                    if (childHit)
                     {
-                        hitTest = false;
+                        if (interactionEvent.target)
+                        {
+                            hitTest = false;
+                        }
+                        hit = true;
                     }
-
-                    // we can break now as we have hit an object.
                 }
             }
         }
 
-        hitTest = keepHitTestingAfterChildren;
-
         // no point running this if the item is not interactive or does not have an interactive parent.
         if (interactive)
         {
             // if we are hit testing (as in we have no hit any objects yet)
             // We also don't need to worry about hit testing if once of the displayObjects children
-            // has already been hit!
-            if (hitTest && !hit)
+            // has already been hit - but only if it was interactive, otherwise we need to keep
+            // looking for an interactive child, just in case we hit one
+            if (hitTest && !interactionEvent.target)
             {
                 if (displayObject.hitArea)
                 {
                     displayObject.worldTransform.applyInverse(point, this._tempPoint);
-                    hit = displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y);
+                    if (displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y))
+                    {
+                        hit = true;
+                    }
                 }
                 else if (displayObject.containsPoint)
                 {
-                    hit = displayObject.containsPoint(point);
+                    if (displayObject.containsPoint(point))
+                    {
+                        hit = true;
+                    }
                 }
             }
 
@@ -878,7 +1098,10 @@
                     interactionEvent.target = displayObject;
                 }
 
-                func(interactionEvent, displayObject, hit);
+                if (func)
+                {
+                    func(interactionEvent, displayObject, !!hit);
+                }
             }
         }
 
@@ -914,7 +1137,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -998,7 +1221,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1098,7 +1321,7 @@
 
             const test = isRightButton ? flags.RIGHT_DOWN : flags.LEFT_DOWN;
 
-            const isDown = trackingData !== undefined && (trackingData.flags | test);
+            const isDown = trackingData !== undefined && (trackingData.flags & test);
 
             if (hit)
             {
@@ -1118,11 +1341,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }
@@ -1180,7 +1403,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1255,7 +1478,7 @@
             this.setCursorMode(null);
         }
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1268,6 +1491,12 @@
         {
             this.emit('mouseout', interactionEvent);
         }
+        else
+        {
+            // we can get touchleave events after touchend, so we want to make sure we don't
+            // introduce memory leaks
+            this.releaseInteractionDataForPointerId(interactionData.identifier);
+        }
     }
 
     /**
@@ -1344,7 +1573,7 @@
         // Only mouse and pointer can call onPointerOver, so events will always be length 1
         const event = events[0];
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1366,12 +1595,14 @@
      * Get InteractionData for a given pointerId. Store that data as well
      *
      * @private
-     * @param {number} pointerId - Identifier from a pointer event
+     * @param {PointerEvent} event - Normalized pointer event, output from normalizeToPointerData
      * @return {InteractionData} - Interaction data for the given pointer identifier
      */
-    getInteractionDataForPointerId(pointerId)
+    getInteractionDataForPointerId(event)
     {
-        if (pointerId === MOUSE_POINTER_ID)
+        const pointerId = event.pointerId;
+
+        if (pointerId === MOUSE_POINTER_ID || event.pointerType === 'mouse')
         {
             return this.mouse;
         }
diff --git a/src/interaction/InteractionTrackingData.js b/src/interaction/InteractionTrackingData.js
index 6a1f69e..8493b63 100644
--- a/src/interaction/InteractionTrackingData.js
+++ b/src/interaction/InteractionTrackingData.js
@@ -35,8 +35,10 @@
     }
 
     /**
+     * Unique pointer id of the event
+     *
      * @readonly
-     * @type {number} Unique pointer id of the event
+     * @member {number}
      */
     get pointerId()
     {
diff --git a/src/interaction/index.js b/src/interaction/index.js
index 56c5b09..72f7d71 100644
--- a/src/interaction/index.js
+++ b/src/interaction/index.js
@@ -1,4 +1,8 @@
 /**
+ * This namespace contains a renderer plugin for handling mouse, pointer, and touch events.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.interaction
  */
 export { default as InteractionData } from './InteractionData';
diff --git a/src/interaction/interactiveTarget.js b/src/interaction/interactiveTarget.js
index d252fba..cebac40 100644
--- a/src/interaction/interactiveTarget.js
+++ b/src/interaction/interactiveTarget.js
@@ -2,7 +2,7 @@
  * Default property values of interactive objects
  * Used by {@link PIXI.interaction.InteractionManager} to automatically give all DisplayObjects these properties
  *
- * @mixin
+ * @private
  * @name interactiveTarget
  * @memberof PIXI.interaction
  * @example
@@ -14,18 +14,28 @@
  *      );
  */
 export default {
+
     /**
-     * Determines if the displayObject be clicked/touched
+     * Enable interaction events for the DisplayObject. Touch, pointer and mouse
+     * events will not be emitted unless `interactive` is set to `true`.
      *
-     * @inner {boolean}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.on('tap', (event) => {
+     *    //handle event
+     * });
+     * @member {boolean}
+     * @memberof PIXI.DisplayObject#
      */
     interactive: false,
 
     /**
      * Determines if the children to the displayObject can be clicked/touched
-     * Setting this to false allows pixi to bypass a recursive hitTest function
+     * Setting this to false allows pixi to bypass a recursive `hitTest` function
      *
-     * @inner {boolean}
+     * @member {boolean}
+     * @memberof PIXI.Container#
      */
     interactiveChildren: true,
 
@@ -33,7 +43,12 @@
      * Interaction shape. Children will be hit first, then this shape will be checked.
      * Setting this will cause this shape to be checked in hit tests rather than the displayObject's bounds.
      *
-     * @inner {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.hitArea = new PIXI.Rectangle(0, 0, 100, 100);
+     * @member {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @memberof PIXI.DisplayObject#
      */
     hitArea: null,
 
@@ -41,8 +56,12 @@
      * If enabled, the mouse cursor use the pointer behavior when hovered over the displayObject if it is interactive
      * Setting this changes the 'cursor' property to `'pointer'`.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.buttonMode = true;
      * @member {boolean}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      */
     get buttonMode()
     {
@@ -64,9 +83,14 @@
      * This defines what cursor mode is used when the mouse cursor
      * is hovered over the displayObject.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.cursor = 'wait';
      * @see https://developer.mozilla.org/en/docs/Web/CSS/cursor
      *
-     * @inner {string}
+     * @member {string}
+     * @memberof PIXI.DisplayObject#
      */
     cursor: null,
 
@@ -74,7 +98,7 @@
      * Internal set of all active pointers, by identifier
      *
      * @member {Map<number, InteractionTrackingData>}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      * @private
      */
     get trackedPointers()
@@ -87,7 +111,8 @@
     /**
      * Map of all tracked pointers, by identifier. Use trackedPointers to access.
      *
-     * @private {Map<number, InteractionTrackingData>}
+     * @private
+     * @type {Map<number, InteractionTrackingData>}
      */
     _trackedPointers: undefined,
 };
diff --git a/src/loaders/index.js b/src/loaders/index.js
index 5189793..daa1fc4 100644
--- a/src/loaders/index.js
+++ b/src/loaders/index.js
@@ -1,9 +1,22 @@
+import Application from '../core/Application';
+import Loader from './loader';
+
 /**
+ * This namespace contains APIs which extends the {@link https://github.com/englercj/resource-loader resource-loader} module
+ * for loading assets, data, and other resources dynamically.
+ * @example
+ * const loader = new PIXI.loaders.Loader();
+ * loader.add('bunny', 'data/bunny.png')
+ *       .add('spaceship', 'assets/spritesheet.json');
+ * loader.load((loader, resources) => {
+ *    // resources.bunny
+ *    // resources.spaceship
+ * });
  * @namespace PIXI.loaders
  */
-export { default as Loader } from './loader';
+export { Loader };
 export { default as bitmapFontParser, parse as parseBitmapFontData } from './bitmapFontParser';
-export { default as spritesheetParser } from './spritesheetParser';
+export { default as spritesheetParser, getResourcePath } from './spritesheetParser';
 export { default as textureParser } from './textureParser';
 
 /**
@@ -13,3 +26,55 @@
  * @memberof PIXI.loaders
  */
 export { Resource } from 'resource-loader';
+
+/**
+ * A premade instance of the loader that can be used to load resources.
+ * @name shared
+ * @memberof PIXI.loaders
+ * @type {PIXI.loaders.Loader}
+ */
+const shared = new Loader();
+
+shared.destroy = () =>
+{
+    // protect destroying shared loader
+};
+
+export { shared };
+
+// Mixin the loader construction
+const AppPrototype = Application.prototype;
+
+AppPrototype._loader = null;
+
+/**
+ * Loader instance to help with asset loading.
+ * @name PIXI.Application#loader
+ * @type {PIXI.loaders.Loader}
+ */
+Object.defineProperty(AppPrototype, 'loader', {
+    get()
+    {
+        if (!this._loader)
+        {
+            const sharedLoader = this._options.sharedLoader;
+
+            this._loader = sharedLoader ? shared : new Loader();
+        }
+
+        return this._loader;
+    },
+});
+
+// Override the destroy function
+// making sure to destroy the current Loader
+AppPrototype._parentDestroy = AppPrototype.destroy;
+AppPrototype.destroy = function destroy()
+{
+    if (this._loader)
+    {
+        this._loader.destroy();
+        this._loader = null;
+    }
+    this._parentDestroy();
+};

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line
diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 02d53a3..449f8cc 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -30,7 +30,10 @@
         /**
          * When passed to an event handler, this will be the original DOM Event that was captured
          *
-         * @member {Event}
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+         * @member {MouseEvent|TouchEvent|PointerEvent}
          */
         this.originalEvent = null;
     }
diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 8baf13a..2d75c7c 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -13,6 +13,14 @@
 
 const MOUSE_POINTER_ID = 'MOUSE';
 
+// helpers for hitTest() - only used inside hitTest()
+const hitTestEvent = {
+    target: null,
+    data: {
+        global: null,
+    },
+};
+
 /**
  * The interaction manager deals with mouse, touch and pointer events. Any DisplayObject can be interactive
  * if its interactive parameter is set to true
@@ -245,67 +253,60 @@
         this.setTargetElement(this.renderer.view, this.renderer.resolution);
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed on the display
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display
          * object.
          *
-         * @event mousedown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * on the display object.
          *
-         * @event rightdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released over the display
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
          * object.
          *
-         * @event mouseup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is released
          * over the display object.
          *
-         * @event rightup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed and released on
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
          * the display object.
          *
-         * @event click
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * and released on the display object.
          *
-         * @event rightclick
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released outside the
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
          * display object that initially registered a
          * [mousedown]{@link PIXI.interaction.InteractionManager#event:mousedown}.
          *
-         * @event mouseupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
@@ -313,146 +314,362 @@
          * outside the display object that initially registered a
          * [rightdown]{@link PIXI.interaction.InteractionManager#event:rightdown}.
          *
-         * @event rightupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved while over the display object
          *
-         * @event mousemove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved onto the display object
          *
-         * @event mouseover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved off the display object
          *
-         * @event mouseout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed on the display object.
          *
-         * @event pointerdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released over the display object.
          *
-         * @event pointerup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a pointer event
          *
-         * @event pointercancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed and released on the display object.
          *
-         * @event pointertap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released outside the display object that initially
          * registered a [pointerdown]{@link PIXI.interaction.InteractionManager#event:pointerdown}.
          *
-         * @event pointerupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved while over the display object
          *
-         * @event pointermove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved onto the display object
          *
-         * @event pointerover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved off the display object
          *
-         * @event pointerout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed on the display object.
          *
-         * @event touchstart
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed from the display object.
          *
-         * @event touchend
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a touch
          *
-         * @event touchcancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed and removed from the display object.
          *
-         * @event tap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed outside of the display object that initially
          * registered a [touchstart]{@link PIXI.interaction.InteractionManager#event:touchstart}.
          *
-         * @event touchendoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is moved along the display object.
          *
-         * @event touchmove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display.
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * over the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
+         * the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * and released on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
+         * display object that initially registered a
+         * [mousedown]{@link PIXI.DisplayObject#event:mousedown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * outside the display object that initially registered a
+         * [rightdown]{@link PIXI.DisplayObject#event:rightdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a pointer event.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed and released on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released outside the display object that initially
+         * registered a [pointerdown]{@link PIXI.DisplayObject#event:pointerdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a touch.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed and removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed outside of the display object that initially
+         * registered a [touchstart]{@link PIXI.DisplayObject#event:touchstart}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is moved along the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+    }
+
+    /**
+     * Hit tests a point against the display tree, returning the first interactive object that is hit.
+     *
+     * @param {PIXI.Point} globalPoint - A point to hit test with, in global space.
+     * @param {PIXI.Container} [root] - The root display object to start from. If omitted, defaults
+     * to the last rendered root of the associated renderer.
+     * @return {PIXI.DisplayObject} The hit display object, if any.
+     */
+    hitTest(globalPoint, root)
+    {
+        // clear the target for our hit test
+        hitTestEvent.target = null;
+        // assign the global point
+        hitTestEvent.data.global = globalPoint;
+        // ensure safety of the root
+        if (!root)
+        {
+            root = this.renderer._lastObjectRendered;
+        }
+        // run the hit test
+        this.processInteractive(hitTestEvent, root, null, true);
+        // return our found object - it'll be null if we didn't hit anything
+
+        return hitTestEvent.target;
     }
 
     /**
@@ -487,7 +704,7 @@
             return;
         }
 
-        core.ticker.shared.add(this.update, this);
+        core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.INTERACTION);
 
         if (window.navigator.msPointerEnabled)
         {
@@ -804,8 +1021,6 @@
             }
         }
 
-        let keepHitTestingAfterChildren = hitTest;
-
         // ** FREE TIP **! If an object is not interactive or has no buttons in it
         // (such as a game scene!) set interactiveChildren to false for that displayObject.
         // This will allow pixi to completely ignore and bypass checking the displayObjects children.
@@ -818,7 +1033,9 @@
                 const child = children[i];
 
                 // time to get recursive.. if this function will return if something is hit..
-                if (this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent))
+                const childHit = this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent);
+
+                if (childHit)
                 {
                     // its a good idea to check if a child has lost its parent.
                     // this means it has been removed whilst looping so its best
@@ -827,8 +1044,6 @@
                         continue;
                     }
 
-                    hit = true;
-
                     // we no longer need to hit test any more objects in this container as we we
                     // now know the parent has been hit
                     interactiveParent = false;
@@ -838,36 +1053,41 @@
                     // This means we no longer need to hit test anything else. We still need to run
                     // through all objects, but we don't need to perform any hit tests.
 
-                    keepHitTestingAfterChildren = false;
-
-                    if (child.interactive)
+                    if (childHit)
                     {
-                        hitTest = false;
+                        if (interactionEvent.target)
+                        {
+                            hitTest = false;
+                        }
+                        hit = true;
                     }
-
-                    // we can break now as we have hit an object.
                 }
             }
         }
 
-        hitTest = keepHitTestingAfterChildren;
-
         // no point running this if the item is not interactive or does not have an interactive parent.
         if (interactive)
         {
             // if we are hit testing (as in we have no hit any objects yet)
             // We also don't need to worry about hit testing if once of the displayObjects children
-            // has already been hit!
-            if (hitTest && !hit)
+            // has already been hit - but only if it was interactive, otherwise we need to keep
+            // looking for an interactive child, just in case we hit one
+            if (hitTest && !interactionEvent.target)
             {
                 if (displayObject.hitArea)
                 {
                     displayObject.worldTransform.applyInverse(point, this._tempPoint);
-                    hit = displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y);
+                    if (displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y))
+                    {
+                        hit = true;
+                    }
                 }
                 else if (displayObject.containsPoint)
                 {
-                    hit = displayObject.containsPoint(point);
+                    if (displayObject.containsPoint(point))
+                    {
+                        hit = true;
+                    }
                 }
             }
 
@@ -878,7 +1098,10 @@
                     interactionEvent.target = displayObject;
                 }
 
-                func(interactionEvent, displayObject, hit);
+                if (func)
+                {
+                    func(interactionEvent, displayObject, !!hit);
+                }
             }
         }
 
@@ -914,7 +1137,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -998,7 +1221,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1098,7 +1321,7 @@
 
             const test = isRightButton ? flags.RIGHT_DOWN : flags.LEFT_DOWN;
 
-            const isDown = trackingData !== undefined && (trackingData.flags | test);
+            const isDown = trackingData !== undefined && (trackingData.flags & test);
 
             if (hit)
             {
@@ -1118,11 +1341,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }
@@ -1180,7 +1403,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1255,7 +1478,7 @@
             this.setCursorMode(null);
         }
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1268,6 +1491,12 @@
         {
             this.emit('mouseout', interactionEvent);
         }
+        else
+        {
+            // we can get touchleave events after touchend, so we want to make sure we don't
+            // introduce memory leaks
+            this.releaseInteractionDataForPointerId(interactionData.identifier);
+        }
     }
 
     /**
@@ -1344,7 +1573,7 @@
         // Only mouse and pointer can call onPointerOver, so events will always be length 1
         const event = events[0];
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1366,12 +1595,14 @@
      * Get InteractionData for a given pointerId. Store that data as well
      *
      * @private
-     * @param {number} pointerId - Identifier from a pointer event
+     * @param {PointerEvent} event - Normalized pointer event, output from normalizeToPointerData
      * @return {InteractionData} - Interaction data for the given pointer identifier
      */
-    getInteractionDataForPointerId(pointerId)
+    getInteractionDataForPointerId(event)
     {
-        if (pointerId === MOUSE_POINTER_ID)
+        const pointerId = event.pointerId;
+
+        if (pointerId === MOUSE_POINTER_ID || event.pointerType === 'mouse')
         {
             return this.mouse;
         }
diff --git a/src/interaction/InteractionTrackingData.js b/src/interaction/InteractionTrackingData.js
index 6a1f69e..8493b63 100644
--- a/src/interaction/InteractionTrackingData.js
+++ b/src/interaction/InteractionTrackingData.js
@@ -35,8 +35,10 @@
     }
 
     /**
+     * Unique pointer id of the event
+     *
      * @readonly
-     * @type {number} Unique pointer id of the event
+     * @member {number}
      */
     get pointerId()
     {
diff --git a/src/interaction/index.js b/src/interaction/index.js
index 56c5b09..72f7d71 100644
--- a/src/interaction/index.js
+++ b/src/interaction/index.js
@@ -1,4 +1,8 @@
 /**
+ * This namespace contains a renderer plugin for handling mouse, pointer, and touch events.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.interaction
  */
 export { default as InteractionData } from './InteractionData';
diff --git a/src/interaction/interactiveTarget.js b/src/interaction/interactiveTarget.js
index d252fba..cebac40 100644
--- a/src/interaction/interactiveTarget.js
+++ b/src/interaction/interactiveTarget.js
@@ -2,7 +2,7 @@
  * Default property values of interactive objects
  * Used by {@link PIXI.interaction.InteractionManager} to automatically give all DisplayObjects these properties
  *
- * @mixin
+ * @private
  * @name interactiveTarget
  * @memberof PIXI.interaction
  * @example
@@ -14,18 +14,28 @@
  *      );
  */
 export default {
+
     /**
-     * Determines if the displayObject be clicked/touched
+     * Enable interaction events for the DisplayObject. Touch, pointer and mouse
+     * events will not be emitted unless `interactive` is set to `true`.
      *
-     * @inner {boolean}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.on('tap', (event) => {
+     *    //handle event
+     * });
+     * @member {boolean}
+     * @memberof PIXI.DisplayObject#
      */
     interactive: false,
 
     /**
      * Determines if the children to the displayObject can be clicked/touched
-     * Setting this to false allows pixi to bypass a recursive hitTest function
+     * Setting this to false allows pixi to bypass a recursive `hitTest` function
      *
-     * @inner {boolean}
+     * @member {boolean}
+     * @memberof PIXI.Container#
      */
     interactiveChildren: true,
 
@@ -33,7 +43,12 @@
      * Interaction shape. Children will be hit first, then this shape will be checked.
      * Setting this will cause this shape to be checked in hit tests rather than the displayObject's bounds.
      *
-     * @inner {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.hitArea = new PIXI.Rectangle(0, 0, 100, 100);
+     * @member {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @memberof PIXI.DisplayObject#
      */
     hitArea: null,
 
@@ -41,8 +56,12 @@
      * If enabled, the mouse cursor use the pointer behavior when hovered over the displayObject if it is interactive
      * Setting this changes the 'cursor' property to `'pointer'`.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.buttonMode = true;
      * @member {boolean}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      */
     get buttonMode()
     {
@@ -64,9 +83,14 @@
      * This defines what cursor mode is used when the mouse cursor
      * is hovered over the displayObject.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.cursor = 'wait';
      * @see https://developer.mozilla.org/en/docs/Web/CSS/cursor
      *
-     * @inner {string}
+     * @member {string}
+     * @memberof PIXI.DisplayObject#
      */
     cursor: null,
 
@@ -74,7 +98,7 @@
      * Internal set of all active pointers, by identifier
      *
      * @member {Map<number, InteractionTrackingData>}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      * @private
      */
     get trackedPointers()
@@ -87,7 +111,8 @@
     /**
      * Map of all tracked pointers, by identifier. Use trackedPointers to access.
      *
-     * @private {Map<number, InteractionTrackingData>}
+     * @private
+     * @type {Map<number, InteractionTrackingData>}
      */
     _trackedPointers: undefined,
 };
diff --git a/src/loaders/index.js b/src/loaders/index.js
index 5189793..daa1fc4 100644
--- a/src/loaders/index.js
+++ b/src/loaders/index.js
@@ -1,9 +1,22 @@
+import Application from '../core/Application';
+import Loader from './loader';
+
 /**
+ * This namespace contains APIs which extends the {@link https://github.com/englercj/resource-loader resource-loader} module
+ * for loading assets, data, and other resources dynamically.
+ * @example
+ * const loader = new PIXI.loaders.Loader();
+ * loader.add('bunny', 'data/bunny.png')
+ *       .add('spaceship', 'assets/spritesheet.json');
+ * loader.load((loader, resources) => {
+ *    // resources.bunny
+ *    // resources.spaceship
+ * });
  * @namespace PIXI.loaders
  */
-export { default as Loader } from './loader';
+export { Loader };
 export { default as bitmapFontParser, parse as parseBitmapFontData } from './bitmapFontParser';
-export { default as spritesheetParser } from './spritesheetParser';
+export { default as spritesheetParser, getResourcePath } from './spritesheetParser';
 export { default as textureParser } from './textureParser';
 
 /**
@@ -13,3 +26,55 @@
  * @memberof PIXI.loaders
  */
 export { Resource } from 'resource-loader';
+
+/**
+ * A premade instance of the loader that can be used to load resources.
+ * @name shared
+ * @memberof PIXI.loaders
+ * @type {PIXI.loaders.Loader}
+ */
+const shared = new Loader();
+
+shared.destroy = () =>
+{
+    // protect destroying shared loader
+};
+
+export { shared };
+
+// Mixin the loader construction
+const AppPrototype = Application.prototype;
+
+AppPrototype._loader = null;
+
+/**
+ * Loader instance to help with asset loading.
+ * @name PIXI.Application#loader
+ * @type {PIXI.loaders.Loader}
+ */
+Object.defineProperty(AppPrototype, 'loader', {
+    get()
+    {
+        if (!this._loader)
+        {
+            const sharedLoader = this._options.sharedLoader;
+
+            this._loader = sharedLoader ? shared : new Loader();
+        }
+
+        return this._loader;
+    },
+});
+
+// Override the destroy function
+// making sure to destroy the current Loader
+AppPrototype._parentDestroy = AppPrototype.destroy;
+AppPrototype.destroy = function destroy()
+{
+    if (this._loader)
+    {
+        this._loader.destroy();
+        this._loader = null;
+    }
+    this._parentDestroy();
+};
diff --git a/src/loaders/loader.js b/src/loaders/loader.js
index 767a411..59b8000 100644
--- a/src/loaders/loader.js
+++ b/src/loaders/loader.js
@@ -90,6 +90,15 @@
     {
         Loader._pixiMiddleware.push(fn);
     }
+
+    /**
+     * Destroy the loader, removes references.
+     */
+    destroy()
+    {
+        this.removeAllListeners();
+        this.reset();
+    }
 }
 
 // Copy EE3 prototype (mixin)

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line
diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 02d53a3..449f8cc 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -30,7 +30,10 @@
         /**
          * When passed to an event handler, this will be the original DOM Event that was captured
          *
-         * @member {Event}
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+         * @member {MouseEvent|TouchEvent|PointerEvent}
          */
         this.originalEvent = null;
     }
diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 8baf13a..2d75c7c 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -13,6 +13,14 @@
 
 const MOUSE_POINTER_ID = 'MOUSE';
 
+// helpers for hitTest() - only used inside hitTest()
+const hitTestEvent = {
+    target: null,
+    data: {
+        global: null,
+    },
+};
+
 /**
  * The interaction manager deals with mouse, touch and pointer events. Any DisplayObject can be interactive
  * if its interactive parameter is set to true
@@ -245,67 +253,60 @@
         this.setTargetElement(this.renderer.view, this.renderer.resolution);
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed on the display
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display
          * object.
          *
-         * @event mousedown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * on the display object.
          *
-         * @event rightdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released over the display
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
          * object.
          *
-         * @event mouseup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is released
          * over the display object.
          *
-         * @event rightup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed and released on
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
          * the display object.
          *
-         * @event click
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * and released on the display object.
          *
-         * @event rightclick
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released outside the
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
          * display object that initially registered a
          * [mousedown]{@link PIXI.interaction.InteractionManager#event:mousedown}.
          *
-         * @event mouseupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
@@ -313,146 +314,362 @@
          * outside the display object that initially registered a
          * [rightdown]{@link PIXI.interaction.InteractionManager#event:rightdown}.
          *
-         * @event rightupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved while over the display object
          *
-         * @event mousemove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved onto the display object
          *
-         * @event mouseover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved off the display object
          *
-         * @event mouseout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed on the display object.
          *
-         * @event pointerdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released over the display object.
          *
-         * @event pointerup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a pointer event
          *
-         * @event pointercancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed and released on the display object.
          *
-         * @event pointertap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released outside the display object that initially
          * registered a [pointerdown]{@link PIXI.interaction.InteractionManager#event:pointerdown}.
          *
-         * @event pointerupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved while over the display object
          *
-         * @event pointermove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved onto the display object
          *
-         * @event pointerover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved off the display object
          *
-         * @event pointerout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed on the display object.
          *
-         * @event touchstart
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed from the display object.
          *
-         * @event touchend
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a touch
          *
-         * @event touchcancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed and removed from the display object.
          *
-         * @event tap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed outside of the display object that initially
          * registered a [touchstart]{@link PIXI.interaction.InteractionManager#event:touchstart}.
          *
-         * @event touchendoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is moved along the display object.
          *
-         * @event touchmove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display.
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * over the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
+         * the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * and released on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
+         * display object that initially registered a
+         * [mousedown]{@link PIXI.DisplayObject#event:mousedown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * outside the display object that initially registered a
+         * [rightdown]{@link PIXI.DisplayObject#event:rightdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a pointer event.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed and released on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released outside the display object that initially
+         * registered a [pointerdown]{@link PIXI.DisplayObject#event:pointerdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a touch.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed and removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed outside of the display object that initially
+         * registered a [touchstart]{@link PIXI.DisplayObject#event:touchstart}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is moved along the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+    }
+
+    /**
+     * Hit tests a point against the display tree, returning the first interactive object that is hit.
+     *
+     * @param {PIXI.Point} globalPoint - A point to hit test with, in global space.
+     * @param {PIXI.Container} [root] - The root display object to start from. If omitted, defaults
+     * to the last rendered root of the associated renderer.
+     * @return {PIXI.DisplayObject} The hit display object, if any.
+     */
+    hitTest(globalPoint, root)
+    {
+        // clear the target for our hit test
+        hitTestEvent.target = null;
+        // assign the global point
+        hitTestEvent.data.global = globalPoint;
+        // ensure safety of the root
+        if (!root)
+        {
+            root = this.renderer._lastObjectRendered;
+        }
+        // run the hit test
+        this.processInteractive(hitTestEvent, root, null, true);
+        // return our found object - it'll be null if we didn't hit anything
+
+        return hitTestEvent.target;
     }
 
     /**
@@ -487,7 +704,7 @@
             return;
         }
 
-        core.ticker.shared.add(this.update, this);
+        core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.INTERACTION);
 
         if (window.navigator.msPointerEnabled)
         {
@@ -804,8 +1021,6 @@
             }
         }
 
-        let keepHitTestingAfterChildren = hitTest;
-
         // ** FREE TIP **! If an object is not interactive or has no buttons in it
         // (such as a game scene!) set interactiveChildren to false for that displayObject.
         // This will allow pixi to completely ignore and bypass checking the displayObjects children.
@@ -818,7 +1033,9 @@
                 const child = children[i];
 
                 // time to get recursive.. if this function will return if something is hit..
-                if (this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent))
+                const childHit = this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent);
+
+                if (childHit)
                 {
                     // its a good idea to check if a child has lost its parent.
                     // this means it has been removed whilst looping so its best
@@ -827,8 +1044,6 @@
                         continue;
                     }
 
-                    hit = true;
-
                     // we no longer need to hit test any more objects in this container as we we
                     // now know the parent has been hit
                     interactiveParent = false;
@@ -838,36 +1053,41 @@
                     // This means we no longer need to hit test anything else. We still need to run
                     // through all objects, but we don't need to perform any hit tests.
 
-                    keepHitTestingAfterChildren = false;
-
-                    if (child.interactive)
+                    if (childHit)
                     {
-                        hitTest = false;
+                        if (interactionEvent.target)
+                        {
+                            hitTest = false;
+                        }
+                        hit = true;
                     }
-
-                    // we can break now as we have hit an object.
                 }
             }
         }
 
-        hitTest = keepHitTestingAfterChildren;
-
         // no point running this if the item is not interactive or does not have an interactive parent.
         if (interactive)
         {
             // if we are hit testing (as in we have no hit any objects yet)
             // We also don't need to worry about hit testing if once of the displayObjects children
-            // has already been hit!
-            if (hitTest && !hit)
+            // has already been hit - but only if it was interactive, otherwise we need to keep
+            // looking for an interactive child, just in case we hit one
+            if (hitTest && !interactionEvent.target)
             {
                 if (displayObject.hitArea)
                 {
                     displayObject.worldTransform.applyInverse(point, this._tempPoint);
-                    hit = displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y);
+                    if (displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y))
+                    {
+                        hit = true;
+                    }
                 }
                 else if (displayObject.containsPoint)
                 {
-                    hit = displayObject.containsPoint(point);
+                    if (displayObject.containsPoint(point))
+                    {
+                        hit = true;
+                    }
                 }
             }
 
@@ -878,7 +1098,10 @@
                     interactionEvent.target = displayObject;
                 }
 
-                func(interactionEvent, displayObject, hit);
+                if (func)
+                {
+                    func(interactionEvent, displayObject, !!hit);
+                }
             }
         }
 
@@ -914,7 +1137,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -998,7 +1221,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1098,7 +1321,7 @@
 
             const test = isRightButton ? flags.RIGHT_DOWN : flags.LEFT_DOWN;
 
-            const isDown = trackingData !== undefined && (trackingData.flags | test);
+            const isDown = trackingData !== undefined && (trackingData.flags & test);
 
             if (hit)
             {
@@ -1118,11 +1341,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }
@@ -1180,7 +1403,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1255,7 +1478,7 @@
             this.setCursorMode(null);
         }
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1268,6 +1491,12 @@
         {
             this.emit('mouseout', interactionEvent);
         }
+        else
+        {
+            // we can get touchleave events after touchend, so we want to make sure we don't
+            // introduce memory leaks
+            this.releaseInteractionDataForPointerId(interactionData.identifier);
+        }
     }
 
     /**
@@ -1344,7 +1573,7 @@
         // Only mouse and pointer can call onPointerOver, so events will always be length 1
         const event = events[0];
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1366,12 +1595,14 @@
      * Get InteractionData for a given pointerId. Store that data as well
      *
      * @private
-     * @param {number} pointerId - Identifier from a pointer event
+     * @param {PointerEvent} event - Normalized pointer event, output from normalizeToPointerData
      * @return {InteractionData} - Interaction data for the given pointer identifier
      */
-    getInteractionDataForPointerId(pointerId)
+    getInteractionDataForPointerId(event)
     {
-        if (pointerId === MOUSE_POINTER_ID)
+        const pointerId = event.pointerId;
+
+        if (pointerId === MOUSE_POINTER_ID || event.pointerType === 'mouse')
         {
             return this.mouse;
         }
diff --git a/src/interaction/InteractionTrackingData.js b/src/interaction/InteractionTrackingData.js
index 6a1f69e..8493b63 100644
--- a/src/interaction/InteractionTrackingData.js
+++ b/src/interaction/InteractionTrackingData.js
@@ -35,8 +35,10 @@
     }
 
     /**
+     * Unique pointer id of the event
+     *
      * @readonly
-     * @type {number} Unique pointer id of the event
+     * @member {number}
      */
     get pointerId()
     {
diff --git a/src/interaction/index.js b/src/interaction/index.js
index 56c5b09..72f7d71 100644
--- a/src/interaction/index.js
+++ b/src/interaction/index.js
@@ -1,4 +1,8 @@
 /**
+ * This namespace contains a renderer plugin for handling mouse, pointer, and touch events.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.interaction
  */
 export { default as InteractionData } from './InteractionData';
diff --git a/src/interaction/interactiveTarget.js b/src/interaction/interactiveTarget.js
index d252fba..cebac40 100644
--- a/src/interaction/interactiveTarget.js
+++ b/src/interaction/interactiveTarget.js
@@ -2,7 +2,7 @@
  * Default property values of interactive objects
  * Used by {@link PIXI.interaction.InteractionManager} to automatically give all DisplayObjects these properties
  *
- * @mixin
+ * @private
  * @name interactiveTarget
  * @memberof PIXI.interaction
  * @example
@@ -14,18 +14,28 @@
  *      );
  */
 export default {
+
     /**
-     * Determines if the displayObject be clicked/touched
+     * Enable interaction events for the DisplayObject. Touch, pointer and mouse
+     * events will not be emitted unless `interactive` is set to `true`.
      *
-     * @inner {boolean}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.on('tap', (event) => {
+     *    //handle event
+     * });
+     * @member {boolean}
+     * @memberof PIXI.DisplayObject#
      */
     interactive: false,
 
     /**
      * Determines if the children to the displayObject can be clicked/touched
-     * Setting this to false allows pixi to bypass a recursive hitTest function
+     * Setting this to false allows pixi to bypass a recursive `hitTest` function
      *
-     * @inner {boolean}
+     * @member {boolean}
+     * @memberof PIXI.Container#
      */
     interactiveChildren: true,
 
@@ -33,7 +43,12 @@
      * Interaction shape. Children will be hit first, then this shape will be checked.
      * Setting this will cause this shape to be checked in hit tests rather than the displayObject's bounds.
      *
-     * @inner {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.hitArea = new PIXI.Rectangle(0, 0, 100, 100);
+     * @member {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @memberof PIXI.DisplayObject#
      */
     hitArea: null,
 
@@ -41,8 +56,12 @@
      * If enabled, the mouse cursor use the pointer behavior when hovered over the displayObject if it is interactive
      * Setting this changes the 'cursor' property to `'pointer'`.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.buttonMode = true;
      * @member {boolean}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      */
     get buttonMode()
     {
@@ -64,9 +83,14 @@
      * This defines what cursor mode is used when the mouse cursor
      * is hovered over the displayObject.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.cursor = 'wait';
      * @see https://developer.mozilla.org/en/docs/Web/CSS/cursor
      *
-     * @inner {string}
+     * @member {string}
+     * @memberof PIXI.DisplayObject#
      */
     cursor: null,
 
@@ -74,7 +98,7 @@
      * Internal set of all active pointers, by identifier
      *
      * @member {Map<number, InteractionTrackingData>}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      * @private
      */
     get trackedPointers()
@@ -87,7 +111,8 @@
     /**
      * Map of all tracked pointers, by identifier. Use trackedPointers to access.
      *
-     * @private {Map<number, InteractionTrackingData>}
+     * @private
+     * @type {Map<number, InteractionTrackingData>}
      */
     _trackedPointers: undefined,
 };
diff --git a/src/loaders/index.js b/src/loaders/index.js
index 5189793..daa1fc4 100644
--- a/src/loaders/index.js
+++ b/src/loaders/index.js
@@ -1,9 +1,22 @@
+import Application from '../core/Application';
+import Loader from './loader';
+
 /**
+ * This namespace contains APIs which extends the {@link https://github.com/englercj/resource-loader resource-loader} module
+ * for loading assets, data, and other resources dynamically.
+ * @example
+ * const loader = new PIXI.loaders.Loader();
+ * loader.add('bunny', 'data/bunny.png')
+ *       .add('spaceship', 'assets/spritesheet.json');
+ * loader.load((loader, resources) => {
+ *    // resources.bunny
+ *    // resources.spaceship
+ * });
  * @namespace PIXI.loaders
  */
-export { default as Loader } from './loader';
+export { Loader };
 export { default as bitmapFontParser, parse as parseBitmapFontData } from './bitmapFontParser';
-export { default as spritesheetParser } from './spritesheetParser';
+export { default as spritesheetParser, getResourcePath } from './spritesheetParser';
 export { default as textureParser } from './textureParser';
 
 /**
@@ -13,3 +26,55 @@
  * @memberof PIXI.loaders
  */
 export { Resource } from 'resource-loader';
+
+/**
+ * A premade instance of the loader that can be used to load resources.
+ * @name shared
+ * @memberof PIXI.loaders
+ * @type {PIXI.loaders.Loader}
+ */
+const shared = new Loader();
+
+shared.destroy = () =>
+{
+    // protect destroying shared loader
+};
+
+export { shared };
+
+// Mixin the loader construction
+const AppPrototype = Application.prototype;
+
+AppPrototype._loader = null;
+
+/**
+ * Loader instance to help with asset loading.
+ * @name PIXI.Application#loader
+ * @type {PIXI.loaders.Loader}
+ */
+Object.defineProperty(AppPrototype, 'loader', {
+    get()
+    {
+        if (!this._loader)
+        {
+            const sharedLoader = this._options.sharedLoader;
+
+            this._loader = sharedLoader ? shared : new Loader();
+        }
+
+        return this._loader;
+    },
+});
+
+// Override the destroy function
+// making sure to destroy the current Loader
+AppPrototype._parentDestroy = AppPrototype.destroy;
+AppPrototype.destroy = function destroy()
+{
+    if (this._loader)
+    {
+        this._loader.destroy();
+        this._loader = null;
+    }
+    this._parentDestroy();
+};
diff --git a/src/loaders/loader.js b/src/loaders/loader.js
index 767a411..59b8000 100644
--- a/src/loaders/loader.js
+++ b/src/loaders/loader.js
@@ -90,6 +90,15 @@
     {
         Loader._pixiMiddleware.push(fn);
     }
+
+    /**
+     * Destroy the loader, removes references.
+     */
+    destroy()
+    {
+        this.removeAllListeners();
+        this.reset();
+    }
 }
 
 // Copy EE3 prototype (mixin)
diff --git a/src/loaders/spritesheetParser.js b/src/loaders/spritesheetParser.js
index e57dfb2..eda9584 100644
--- a/src/loaders/spritesheetParser.js
+++ b/src/loaders/spritesheetParser.js
@@ -1,12 +1,11 @@
 import { Resource } from 'resource-loader';
-import path from 'path';
+import url from 'url';
 import { Spritesheet } from '../core';
 
 export default function ()
 {
     return function spritesheetParser(resource, next)
     {
-        let resourcePath;
         const imageResourceName = `${resource.name}_image`;
 
         // skip if no data, its not json, it isn't spritesheet data, or the image resource already exists
@@ -28,15 +27,7 @@
             parentResource: resource,
         };
 
-        // Prepend url path unless the resource image is a data url
-        if (resource.isDataUrl)
-        {
-            resourcePath = resource.data.meta.image;
-        }
-        else
-        {
-            resourcePath = `${path.dirname(resource.url.replace(this.baseUrl, ''))}/${resource.data.meta.image}`;
-        }
+        const resourcePath = getResourcePath(resource, this.baseUrl);
 
         // load the image for this sheet
         this.add(imageResourceName, resourcePath, loadOptions, function onImageLoad(res)
@@ -56,3 +47,14 @@
         });
     };
 }
+
+export function getResourcePath(resource, baseUrl)
+{
+    // Prepend url path unless the resource image is a data url
+    if (resource.isDataUrl)
+    {
+        return resource.data.meta.image;
+    }
+
+    return url.resolve(resource.url.replace(baseUrl, ''), resource.data.meta.image);
+}

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line
diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 02d53a3..449f8cc 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -30,7 +30,10 @@
         /**
          * When passed to an event handler, this will be the original DOM Event that was captured
          *
-         * @member {Event}
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+         * @member {MouseEvent|TouchEvent|PointerEvent}
          */
         this.originalEvent = null;
     }
diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 8baf13a..2d75c7c 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -13,6 +13,14 @@
 
 const MOUSE_POINTER_ID = 'MOUSE';
 
+// helpers for hitTest() - only used inside hitTest()
+const hitTestEvent = {
+    target: null,
+    data: {
+        global: null,
+    },
+};
+
 /**
  * The interaction manager deals with mouse, touch and pointer events. Any DisplayObject can be interactive
  * if its interactive parameter is set to true
@@ -245,67 +253,60 @@
         this.setTargetElement(this.renderer.view, this.renderer.resolution);
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed on the display
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display
          * object.
          *
-         * @event mousedown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * on the display object.
          *
-         * @event rightdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released over the display
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
          * object.
          *
-         * @event mouseup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is released
          * over the display object.
          *
-         * @event rightup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed and released on
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
          * the display object.
          *
-         * @event click
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * and released on the display object.
          *
-         * @event rightclick
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released outside the
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
          * display object that initially registered a
          * [mousedown]{@link PIXI.interaction.InteractionManager#event:mousedown}.
          *
-         * @event mouseupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
@@ -313,146 +314,362 @@
          * outside the display object that initially registered a
          * [rightdown]{@link PIXI.interaction.InteractionManager#event:rightdown}.
          *
-         * @event rightupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved while over the display object
          *
-         * @event mousemove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved onto the display object
          *
-         * @event mouseover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved off the display object
          *
-         * @event mouseout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed on the display object.
          *
-         * @event pointerdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released over the display object.
          *
-         * @event pointerup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a pointer event
          *
-         * @event pointercancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed and released on the display object.
          *
-         * @event pointertap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released outside the display object that initially
          * registered a [pointerdown]{@link PIXI.interaction.InteractionManager#event:pointerdown}.
          *
-         * @event pointerupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved while over the display object
          *
-         * @event pointermove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved onto the display object
          *
-         * @event pointerover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved off the display object
          *
-         * @event pointerout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed on the display object.
          *
-         * @event touchstart
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed from the display object.
          *
-         * @event touchend
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a touch
          *
-         * @event touchcancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed and removed from the display object.
          *
-         * @event tap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed outside of the display object that initially
          * registered a [touchstart]{@link PIXI.interaction.InteractionManager#event:touchstart}.
          *
-         * @event touchendoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is moved along the display object.
          *
-         * @event touchmove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display.
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * over the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
+         * the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * and released on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
+         * display object that initially registered a
+         * [mousedown]{@link PIXI.DisplayObject#event:mousedown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * outside the display object that initially registered a
+         * [rightdown]{@link PIXI.DisplayObject#event:rightdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a pointer event.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed and released on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released outside the display object that initially
+         * registered a [pointerdown]{@link PIXI.DisplayObject#event:pointerdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a touch.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed and removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed outside of the display object that initially
+         * registered a [touchstart]{@link PIXI.DisplayObject#event:touchstart}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is moved along the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+    }
+
+    /**
+     * Hit tests a point against the display tree, returning the first interactive object that is hit.
+     *
+     * @param {PIXI.Point} globalPoint - A point to hit test with, in global space.
+     * @param {PIXI.Container} [root] - The root display object to start from. If omitted, defaults
+     * to the last rendered root of the associated renderer.
+     * @return {PIXI.DisplayObject} The hit display object, if any.
+     */
+    hitTest(globalPoint, root)
+    {
+        // clear the target for our hit test
+        hitTestEvent.target = null;
+        // assign the global point
+        hitTestEvent.data.global = globalPoint;
+        // ensure safety of the root
+        if (!root)
+        {
+            root = this.renderer._lastObjectRendered;
+        }
+        // run the hit test
+        this.processInteractive(hitTestEvent, root, null, true);
+        // return our found object - it'll be null if we didn't hit anything
+
+        return hitTestEvent.target;
     }
 
     /**
@@ -487,7 +704,7 @@
             return;
         }
 
-        core.ticker.shared.add(this.update, this);
+        core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.INTERACTION);
 
         if (window.navigator.msPointerEnabled)
         {
@@ -804,8 +1021,6 @@
             }
         }
 
-        let keepHitTestingAfterChildren = hitTest;
-
         // ** FREE TIP **! If an object is not interactive or has no buttons in it
         // (such as a game scene!) set interactiveChildren to false for that displayObject.
         // This will allow pixi to completely ignore and bypass checking the displayObjects children.
@@ -818,7 +1033,9 @@
                 const child = children[i];
 
                 // time to get recursive.. if this function will return if something is hit..
-                if (this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent))
+                const childHit = this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent);
+
+                if (childHit)
                 {
                     // its a good idea to check if a child has lost its parent.
                     // this means it has been removed whilst looping so its best
@@ -827,8 +1044,6 @@
                         continue;
                     }
 
-                    hit = true;
-
                     // we no longer need to hit test any more objects in this container as we we
                     // now know the parent has been hit
                     interactiveParent = false;
@@ -838,36 +1053,41 @@
                     // This means we no longer need to hit test anything else. We still need to run
                     // through all objects, but we don't need to perform any hit tests.
 
-                    keepHitTestingAfterChildren = false;
-
-                    if (child.interactive)
+                    if (childHit)
                     {
-                        hitTest = false;
+                        if (interactionEvent.target)
+                        {
+                            hitTest = false;
+                        }
+                        hit = true;
                     }
-
-                    // we can break now as we have hit an object.
                 }
             }
         }
 
-        hitTest = keepHitTestingAfterChildren;
-
         // no point running this if the item is not interactive or does not have an interactive parent.
         if (interactive)
         {
             // if we are hit testing (as in we have no hit any objects yet)
             // We also don't need to worry about hit testing if once of the displayObjects children
-            // has already been hit!
-            if (hitTest && !hit)
+            // has already been hit - but only if it was interactive, otherwise we need to keep
+            // looking for an interactive child, just in case we hit one
+            if (hitTest && !interactionEvent.target)
             {
                 if (displayObject.hitArea)
                 {
                     displayObject.worldTransform.applyInverse(point, this._tempPoint);
-                    hit = displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y);
+                    if (displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y))
+                    {
+                        hit = true;
+                    }
                 }
                 else if (displayObject.containsPoint)
                 {
-                    hit = displayObject.containsPoint(point);
+                    if (displayObject.containsPoint(point))
+                    {
+                        hit = true;
+                    }
                 }
             }
 
@@ -878,7 +1098,10 @@
                     interactionEvent.target = displayObject;
                 }
 
-                func(interactionEvent, displayObject, hit);
+                if (func)
+                {
+                    func(interactionEvent, displayObject, !!hit);
+                }
             }
         }
 
@@ -914,7 +1137,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -998,7 +1221,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1098,7 +1321,7 @@
 
             const test = isRightButton ? flags.RIGHT_DOWN : flags.LEFT_DOWN;
 
-            const isDown = trackingData !== undefined && (trackingData.flags | test);
+            const isDown = trackingData !== undefined && (trackingData.flags & test);
 
             if (hit)
             {
@@ -1118,11 +1341,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }
@@ -1180,7 +1403,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1255,7 +1478,7 @@
             this.setCursorMode(null);
         }
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1268,6 +1491,12 @@
         {
             this.emit('mouseout', interactionEvent);
         }
+        else
+        {
+            // we can get touchleave events after touchend, so we want to make sure we don't
+            // introduce memory leaks
+            this.releaseInteractionDataForPointerId(interactionData.identifier);
+        }
     }
 
     /**
@@ -1344,7 +1573,7 @@
         // Only mouse and pointer can call onPointerOver, so events will always be length 1
         const event = events[0];
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1366,12 +1595,14 @@
      * Get InteractionData for a given pointerId. Store that data as well
      *
      * @private
-     * @param {number} pointerId - Identifier from a pointer event
+     * @param {PointerEvent} event - Normalized pointer event, output from normalizeToPointerData
      * @return {InteractionData} - Interaction data for the given pointer identifier
      */
-    getInteractionDataForPointerId(pointerId)
+    getInteractionDataForPointerId(event)
     {
-        if (pointerId === MOUSE_POINTER_ID)
+        const pointerId = event.pointerId;
+
+        if (pointerId === MOUSE_POINTER_ID || event.pointerType === 'mouse')
         {
             return this.mouse;
         }
diff --git a/src/interaction/InteractionTrackingData.js b/src/interaction/InteractionTrackingData.js
index 6a1f69e..8493b63 100644
--- a/src/interaction/InteractionTrackingData.js
+++ b/src/interaction/InteractionTrackingData.js
@@ -35,8 +35,10 @@
     }
 
     /**
+     * Unique pointer id of the event
+     *
      * @readonly
-     * @type {number} Unique pointer id of the event
+     * @member {number}
      */
     get pointerId()
     {
diff --git a/src/interaction/index.js b/src/interaction/index.js
index 56c5b09..72f7d71 100644
--- a/src/interaction/index.js
+++ b/src/interaction/index.js
@@ -1,4 +1,8 @@
 /**
+ * This namespace contains a renderer plugin for handling mouse, pointer, and touch events.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.interaction
  */
 export { default as InteractionData } from './InteractionData';
diff --git a/src/interaction/interactiveTarget.js b/src/interaction/interactiveTarget.js
index d252fba..cebac40 100644
--- a/src/interaction/interactiveTarget.js
+++ b/src/interaction/interactiveTarget.js
@@ -2,7 +2,7 @@
  * Default property values of interactive objects
  * Used by {@link PIXI.interaction.InteractionManager} to automatically give all DisplayObjects these properties
  *
- * @mixin
+ * @private
  * @name interactiveTarget
  * @memberof PIXI.interaction
  * @example
@@ -14,18 +14,28 @@
  *      );
  */
 export default {
+
     /**
-     * Determines if the displayObject be clicked/touched
+     * Enable interaction events for the DisplayObject. Touch, pointer and mouse
+     * events will not be emitted unless `interactive` is set to `true`.
      *
-     * @inner {boolean}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.on('tap', (event) => {
+     *    //handle event
+     * });
+     * @member {boolean}
+     * @memberof PIXI.DisplayObject#
      */
     interactive: false,
 
     /**
      * Determines if the children to the displayObject can be clicked/touched
-     * Setting this to false allows pixi to bypass a recursive hitTest function
+     * Setting this to false allows pixi to bypass a recursive `hitTest` function
      *
-     * @inner {boolean}
+     * @member {boolean}
+     * @memberof PIXI.Container#
      */
     interactiveChildren: true,
 
@@ -33,7 +43,12 @@
      * Interaction shape. Children will be hit first, then this shape will be checked.
      * Setting this will cause this shape to be checked in hit tests rather than the displayObject's bounds.
      *
-     * @inner {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.hitArea = new PIXI.Rectangle(0, 0, 100, 100);
+     * @member {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @memberof PIXI.DisplayObject#
      */
     hitArea: null,
 
@@ -41,8 +56,12 @@
      * If enabled, the mouse cursor use the pointer behavior when hovered over the displayObject if it is interactive
      * Setting this changes the 'cursor' property to `'pointer'`.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.buttonMode = true;
      * @member {boolean}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      */
     get buttonMode()
     {
@@ -64,9 +83,14 @@
      * This defines what cursor mode is used when the mouse cursor
      * is hovered over the displayObject.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.cursor = 'wait';
      * @see https://developer.mozilla.org/en/docs/Web/CSS/cursor
      *
-     * @inner {string}
+     * @member {string}
+     * @memberof PIXI.DisplayObject#
      */
     cursor: null,
 
@@ -74,7 +98,7 @@
      * Internal set of all active pointers, by identifier
      *
      * @member {Map<number, InteractionTrackingData>}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      * @private
      */
     get trackedPointers()
@@ -87,7 +111,8 @@
     /**
      * Map of all tracked pointers, by identifier. Use trackedPointers to access.
      *
-     * @private {Map<number, InteractionTrackingData>}
+     * @private
+     * @type {Map<number, InteractionTrackingData>}
      */
     _trackedPointers: undefined,
 };
diff --git a/src/loaders/index.js b/src/loaders/index.js
index 5189793..daa1fc4 100644
--- a/src/loaders/index.js
+++ b/src/loaders/index.js
@@ -1,9 +1,22 @@
+import Application from '../core/Application';
+import Loader from './loader';
+
 /**
+ * This namespace contains APIs which extends the {@link https://github.com/englercj/resource-loader resource-loader} module
+ * for loading assets, data, and other resources dynamically.
+ * @example
+ * const loader = new PIXI.loaders.Loader();
+ * loader.add('bunny', 'data/bunny.png')
+ *       .add('spaceship', 'assets/spritesheet.json');
+ * loader.load((loader, resources) => {
+ *    // resources.bunny
+ *    // resources.spaceship
+ * });
  * @namespace PIXI.loaders
  */
-export { default as Loader } from './loader';
+export { Loader };
 export { default as bitmapFontParser, parse as parseBitmapFontData } from './bitmapFontParser';
-export { default as spritesheetParser } from './spritesheetParser';
+export { default as spritesheetParser, getResourcePath } from './spritesheetParser';
 export { default as textureParser } from './textureParser';
 
 /**
@@ -13,3 +26,55 @@
  * @memberof PIXI.loaders
  */
 export { Resource } from 'resource-loader';
+
+/**
+ * A premade instance of the loader that can be used to load resources.
+ * @name shared
+ * @memberof PIXI.loaders
+ * @type {PIXI.loaders.Loader}
+ */
+const shared = new Loader();
+
+shared.destroy = () =>
+{
+    // protect destroying shared loader
+};
+
+export { shared };
+
+// Mixin the loader construction
+const AppPrototype = Application.prototype;
+
+AppPrototype._loader = null;
+
+/**
+ * Loader instance to help with asset loading.
+ * @name PIXI.Application#loader
+ * @type {PIXI.loaders.Loader}
+ */
+Object.defineProperty(AppPrototype, 'loader', {
+    get()
+    {
+        if (!this._loader)
+        {
+            const sharedLoader = this._options.sharedLoader;
+
+            this._loader = sharedLoader ? shared : new Loader();
+        }
+
+        return this._loader;
+    },
+});
+
+// Override the destroy function
+// making sure to destroy the current Loader
+AppPrototype._parentDestroy = AppPrototype.destroy;
+AppPrototype.destroy = function destroy()
+{
+    if (this._loader)
+    {
+        this._loader.destroy();
+        this._loader = null;
+    }
+    this._parentDestroy();
+};
diff --git a/src/loaders/loader.js b/src/loaders/loader.js
index 767a411..59b8000 100644
--- a/src/loaders/loader.js
+++ b/src/loaders/loader.js
@@ -90,6 +90,15 @@
     {
         Loader._pixiMiddleware.push(fn);
     }
+
+    /**
+     * Destroy the loader, removes references.
+     */
+    destroy()
+    {
+        this.removeAllListeners();
+        this.reset();
+    }
 }
 
 // Copy EE3 prototype (mixin)
diff --git a/src/loaders/spritesheetParser.js b/src/loaders/spritesheetParser.js
index e57dfb2..eda9584 100644
--- a/src/loaders/spritesheetParser.js
+++ b/src/loaders/spritesheetParser.js
@@ -1,12 +1,11 @@
 import { Resource } from 'resource-loader';
-import path from 'path';
+import url from 'url';
 import { Spritesheet } from '../core';
 
 export default function ()
 {
     return function spritesheetParser(resource, next)
     {
-        let resourcePath;
         const imageResourceName = `${resource.name}_image`;
 
         // skip if no data, its not json, it isn't spritesheet data, or the image resource already exists
@@ -28,15 +27,7 @@
             parentResource: resource,
         };
 
-        // Prepend url path unless the resource image is a data url
-        if (resource.isDataUrl)
-        {
-            resourcePath = resource.data.meta.image;
-        }
-        else
-        {
-            resourcePath = `${path.dirname(resource.url.replace(this.baseUrl, ''))}/${resource.data.meta.image}`;
-        }
+        const resourcePath = getResourcePath(resource, this.baseUrl);
 
         // load the image for this sheet
         this.add(imageResourceName, resourcePath, loadOptions, function onImageLoad(res)
@@ -56,3 +47,14 @@
         });
     };
 }
+
+export function getResourcePath(resource, baseUrl)
+{
+    // Prepend url path unless the resource image is a data url
+    if (resource.isDataUrl)
+    {
+        return resource.data.meta.image;
+    }
+
+    return url.resolve(resource.url.replace(baseUrl, ''), resource.data.meta.image);
+}
diff --git a/src/mesh/canvas/CanvasMeshRenderer.js b/src/mesh/canvas/CanvasMeshRenderer.js
index 297205f..f7899e1 100644
--- a/src/mesh/canvas/CanvasMeshRenderer.js
+++ b/src/mesh/canvas/CanvasMeshRenderer.js
@@ -134,12 +134,33 @@
         const textureWidth = base.width;
         const textureHeight = base.height;
 
-        const u0 = uvs[index0] * base.width;
-        const u1 = uvs[index1] * base.width;
-        const u2 = uvs[index2] * base.width;
-        const v0 = uvs[index0 + 1] * base.height;
-        const v1 = uvs[index1 + 1] * base.height;
-        const v2 = uvs[index2 + 1] * base.height;
+        let u0;
+        let u1;
+        let u2;
+        let v0;
+        let v1;
+        let v2;
+
+        if (mesh.uploadUvTransform)
+        {
+            const ut = mesh._uvTransform.mapCoord;
+
+            u0 = ((uvs[index0] * ut.a) + (uvs[index0 + 1] * ut.c) + ut.tx) * base.width;
+            u1 = ((uvs[index1] * ut.a) + (uvs[index1 + 1] * ut.c) + ut.tx) * base.width;
+            u2 = ((uvs[index2] * ut.a) + (uvs[index2 + 1] * ut.c) + ut.tx) * base.width;
+            v0 = ((uvs[index0] * ut.b) + (uvs[index0 + 1] * ut.d) + ut.ty) * base.height;
+            v1 = ((uvs[index1] * ut.b) + (uvs[index1 + 1] * ut.d) + ut.ty) * base.height;
+            v2 = ((uvs[index2] * ut.b) + (uvs[index2 + 1] * ut.d) + ut.ty) * base.height;
+        }
+        else
+        {
+            u0 = uvs[index0] * base.width;
+            u1 = uvs[index1] * base.width;
+            u2 = uvs[index2] * base.width;
+            v0 = uvs[index0 + 1] * base.height;
+            v1 = uvs[index1 + 1] * base.height;
+            v2 = uvs[index2 + 1] * base.height;
+        }
 
         let x0 = vertices[index0];
         let x1 = vertices[index1];

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line
diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 02d53a3..449f8cc 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -30,7 +30,10 @@
         /**
          * When passed to an event handler, this will be the original DOM Event that was captured
          *
-         * @member {Event}
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+         * @member {MouseEvent|TouchEvent|PointerEvent}
          */
         this.originalEvent = null;
     }
diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 8baf13a..2d75c7c 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -13,6 +13,14 @@
 
 const MOUSE_POINTER_ID = 'MOUSE';
 
+// helpers for hitTest() - only used inside hitTest()
+const hitTestEvent = {
+    target: null,
+    data: {
+        global: null,
+    },
+};
+
 /**
  * The interaction manager deals with mouse, touch and pointer events. Any DisplayObject can be interactive
  * if its interactive parameter is set to true
@@ -245,67 +253,60 @@
         this.setTargetElement(this.renderer.view, this.renderer.resolution);
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed on the display
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display
          * object.
          *
-         * @event mousedown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * on the display object.
          *
-         * @event rightdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released over the display
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
          * object.
          *
-         * @event mouseup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is released
          * over the display object.
          *
-         * @event rightup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed and released on
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
          * the display object.
          *
-         * @event click
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * and released on the display object.
          *
-         * @event rightclick
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released outside the
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
          * display object that initially registered a
          * [mousedown]{@link PIXI.interaction.InteractionManager#event:mousedown}.
          *
-         * @event mouseupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
@@ -313,146 +314,362 @@
          * outside the display object that initially registered a
          * [rightdown]{@link PIXI.interaction.InteractionManager#event:rightdown}.
          *
-         * @event rightupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved while over the display object
          *
-         * @event mousemove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved onto the display object
          *
-         * @event mouseover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved off the display object
          *
-         * @event mouseout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed on the display object.
          *
-         * @event pointerdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released over the display object.
          *
-         * @event pointerup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a pointer event
          *
-         * @event pointercancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed and released on the display object.
          *
-         * @event pointertap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released outside the display object that initially
          * registered a [pointerdown]{@link PIXI.interaction.InteractionManager#event:pointerdown}.
          *
-         * @event pointerupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved while over the display object
          *
-         * @event pointermove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved onto the display object
          *
-         * @event pointerover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved off the display object
          *
-         * @event pointerout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed on the display object.
          *
-         * @event touchstart
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed from the display object.
          *
-         * @event touchend
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a touch
          *
-         * @event touchcancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed and removed from the display object.
          *
-         * @event tap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed outside of the display object that initially
          * registered a [touchstart]{@link PIXI.interaction.InteractionManager#event:touchstart}.
          *
-         * @event touchendoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is moved along the display object.
          *
-         * @event touchmove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display.
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * over the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
+         * the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * and released on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
+         * display object that initially registered a
+         * [mousedown]{@link PIXI.DisplayObject#event:mousedown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * outside the display object that initially registered a
+         * [rightdown]{@link PIXI.DisplayObject#event:rightdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a pointer event.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed and released on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released outside the display object that initially
+         * registered a [pointerdown]{@link PIXI.DisplayObject#event:pointerdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a touch.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed and removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed outside of the display object that initially
+         * registered a [touchstart]{@link PIXI.DisplayObject#event:touchstart}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is moved along the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+    }
+
+    /**
+     * Hit tests a point against the display tree, returning the first interactive object that is hit.
+     *
+     * @param {PIXI.Point} globalPoint - A point to hit test with, in global space.
+     * @param {PIXI.Container} [root] - The root display object to start from. If omitted, defaults
+     * to the last rendered root of the associated renderer.
+     * @return {PIXI.DisplayObject} The hit display object, if any.
+     */
+    hitTest(globalPoint, root)
+    {
+        // clear the target for our hit test
+        hitTestEvent.target = null;
+        // assign the global point
+        hitTestEvent.data.global = globalPoint;
+        // ensure safety of the root
+        if (!root)
+        {
+            root = this.renderer._lastObjectRendered;
+        }
+        // run the hit test
+        this.processInteractive(hitTestEvent, root, null, true);
+        // return our found object - it'll be null if we didn't hit anything
+
+        return hitTestEvent.target;
     }
 
     /**
@@ -487,7 +704,7 @@
             return;
         }
 
-        core.ticker.shared.add(this.update, this);
+        core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.INTERACTION);
 
         if (window.navigator.msPointerEnabled)
         {
@@ -804,8 +1021,6 @@
             }
         }
 
-        let keepHitTestingAfterChildren = hitTest;
-
         // ** FREE TIP **! If an object is not interactive or has no buttons in it
         // (such as a game scene!) set interactiveChildren to false for that displayObject.
         // This will allow pixi to completely ignore and bypass checking the displayObjects children.
@@ -818,7 +1033,9 @@
                 const child = children[i];
 
                 // time to get recursive.. if this function will return if something is hit..
-                if (this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent))
+                const childHit = this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent);
+
+                if (childHit)
                 {
                     // its a good idea to check if a child has lost its parent.
                     // this means it has been removed whilst looping so its best
@@ -827,8 +1044,6 @@
                         continue;
                     }
 
-                    hit = true;
-
                     // we no longer need to hit test any more objects in this container as we we
                     // now know the parent has been hit
                     interactiveParent = false;
@@ -838,36 +1053,41 @@
                     // This means we no longer need to hit test anything else. We still need to run
                     // through all objects, but we don't need to perform any hit tests.
 
-                    keepHitTestingAfterChildren = false;
-
-                    if (child.interactive)
+                    if (childHit)
                     {
-                        hitTest = false;
+                        if (interactionEvent.target)
+                        {
+                            hitTest = false;
+                        }
+                        hit = true;
                     }
-
-                    // we can break now as we have hit an object.
                 }
             }
         }
 
-        hitTest = keepHitTestingAfterChildren;
-
         // no point running this if the item is not interactive or does not have an interactive parent.
         if (interactive)
         {
             // if we are hit testing (as in we have no hit any objects yet)
             // We also don't need to worry about hit testing if once of the displayObjects children
-            // has already been hit!
-            if (hitTest && !hit)
+            // has already been hit - but only if it was interactive, otherwise we need to keep
+            // looking for an interactive child, just in case we hit one
+            if (hitTest && !interactionEvent.target)
             {
                 if (displayObject.hitArea)
                 {
                     displayObject.worldTransform.applyInverse(point, this._tempPoint);
-                    hit = displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y);
+                    if (displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y))
+                    {
+                        hit = true;
+                    }
                 }
                 else if (displayObject.containsPoint)
                 {
-                    hit = displayObject.containsPoint(point);
+                    if (displayObject.containsPoint(point))
+                    {
+                        hit = true;
+                    }
                 }
             }
 
@@ -878,7 +1098,10 @@
                     interactionEvent.target = displayObject;
                 }
 
-                func(interactionEvent, displayObject, hit);
+                if (func)
+                {
+                    func(interactionEvent, displayObject, !!hit);
+                }
             }
         }
 
@@ -914,7 +1137,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -998,7 +1221,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1098,7 +1321,7 @@
 
             const test = isRightButton ? flags.RIGHT_DOWN : flags.LEFT_DOWN;
 
-            const isDown = trackingData !== undefined && (trackingData.flags | test);
+            const isDown = trackingData !== undefined && (trackingData.flags & test);
 
             if (hit)
             {
@@ -1118,11 +1341,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }
@@ -1180,7 +1403,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1255,7 +1478,7 @@
             this.setCursorMode(null);
         }
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1268,6 +1491,12 @@
         {
             this.emit('mouseout', interactionEvent);
         }
+        else
+        {
+            // we can get touchleave events after touchend, so we want to make sure we don't
+            // introduce memory leaks
+            this.releaseInteractionDataForPointerId(interactionData.identifier);
+        }
     }
 
     /**
@@ -1344,7 +1573,7 @@
         // Only mouse and pointer can call onPointerOver, so events will always be length 1
         const event = events[0];
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1366,12 +1595,14 @@
      * Get InteractionData for a given pointerId. Store that data as well
      *
      * @private
-     * @param {number} pointerId - Identifier from a pointer event
+     * @param {PointerEvent} event - Normalized pointer event, output from normalizeToPointerData
      * @return {InteractionData} - Interaction data for the given pointer identifier
      */
-    getInteractionDataForPointerId(pointerId)
+    getInteractionDataForPointerId(event)
     {
-        if (pointerId === MOUSE_POINTER_ID)
+        const pointerId = event.pointerId;
+
+        if (pointerId === MOUSE_POINTER_ID || event.pointerType === 'mouse')
         {
             return this.mouse;
         }
diff --git a/src/interaction/InteractionTrackingData.js b/src/interaction/InteractionTrackingData.js
index 6a1f69e..8493b63 100644
--- a/src/interaction/InteractionTrackingData.js
+++ b/src/interaction/InteractionTrackingData.js
@@ -35,8 +35,10 @@
     }
 
     /**
+     * Unique pointer id of the event
+     *
      * @readonly
-     * @type {number} Unique pointer id of the event
+     * @member {number}
      */
     get pointerId()
     {
diff --git a/src/interaction/index.js b/src/interaction/index.js
index 56c5b09..72f7d71 100644
--- a/src/interaction/index.js
+++ b/src/interaction/index.js
@@ -1,4 +1,8 @@
 /**
+ * This namespace contains a renderer plugin for handling mouse, pointer, and touch events.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.interaction
  */
 export { default as InteractionData } from './InteractionData';
diff --git a/src/interaction/interactiveTarget.js b/src/interaction/interactiveTarget.js
index d252fba..cebac40 100644
--- a/src/interaction/interactiveTarget.js
+++ b/src/interaction/interactiveTarget.js
@@ -2,7 +2,7 @@
  * Default property values of interactive objects
  * Used by {@link PIXI.interaction.InteractionManager} to automatically give all DisplayObjects these properties
  *
- * @mixin
+ * @private
  * @name interactiveTarget
  * @memberof PIXI.interaction
  * @example
@@ -14,18 +14,28 @@
  *      );
  */
 export default {
+
     /**
-     * Determines if the displayObject be clicked/touched
+     * Enable interaction events for the DisplayObject. Touch, pointer and mouse
+     * events will not be emitted unless `interactive` is set to `true`.
      *
-     * @inner {boolean}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.on('tap', (event) => {
+     *    //handle event
+     * });
+     * @member {boolean}
+     * @memberof PIXI.DisplayObject#
      */
     interactive: false,
 
     /**
      * Determines if the children to the displayObject can be clicked/touched
-     * Setting this to false allows pixi to bypass a recursive hitTest function
+     * Setting this to false allows pixi to bypass a recursive `hitTest` function
      *
-     * @inner {boolean}
+     * @member {boolean}
+     * @memberof PIXI.Container#
      */
     interactiveChildren: true,
 
@@ -33,7 +43,12 @@
      * Interaction shape. Children will be hit first, then this shape will be checked.
      * Setting this will cause this shape to be checked in hit tests rather than the displayObject's bounds.
      *
-     * @inner {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.hitArea = new PIXI.Rectangle(0, 0, 100, 100);
+     * @member {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @memberof PIXI.DisplayObject#
      */
     hitArea: null,
 
@@ -41,8 +56,12 @@
      * If enabled, the mouse cursor use the pointer behavior when hovered over the displayObject if it is interactive
      * Setting this changes the 'cursor' property to `'pointer'`.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.buttonMode = true;
      * @member {boolean}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      */
     get buttonMode()
     {
@@ -64,9 +83,14 @@
      * This defines what cursor mode is used when the mouse cursor
      * is hovered over the displayObject.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.cursor = 'wait';
      * @see https://developer.mozilla.org/en/docs/Web/CSS/cursor
      *
-     * @inner {string}
+     * @member {string}
+     * @memberof PIXI.DisplayObject#
      */
     cursor: null,
 
@@ -74,7 +98,7 @@
      * Internal set of all active pointers, by identifier
      *
      * @member {Map<number, InteractionTrackingData>}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      * @private
      */
     get trackedPointers()
@@ -87,7 +111,8 @@
     /**
      * Map of all tracked pointers, by identifier. Use trackedPointers to access.
      *
-     * @private {Map<number, InteractionTrackingData>}
+     * @private
+     * @type {Map<number, InteractionTrackingData>}
      */
     _trackedPointers: undefined,
 };
diff --git a/src/loaders/index.js b/src/loaders/index.js
index 5189793..daa1fc4 100644
--- a/src/loaders/index.js
+++ b/src/loaders/index.js
@@ -1,9 +1,22 @@
+import Application from '../core/Application';
+import Loader from './loader';
+
 /**
+ * This namespace contains APIs which extends the {@link https://github.com/englercj/resource-loader resource-loader} module
+ * for loading assets, data, and other resources dynamically.
+ * @example
+ * const loader = new PIXI.loaders.Loader();
+ * loader.add('bunny', 'data/bunny.png')
+ *       .add('spaceship', 'assets/spritesheet.json');
+ * loader.load((loader, resources) => {
+ *    // resources.bunny
+ *    // resources.spaceship
+ * });
  * @namespace PIXI.loaders
  */
-export { default as Loader } from './loader';
+export { Loader };
 export { default as bitmapFontParser, parse as parseBitmapFontData } from './bitmapFontParser';
-export { default as spritesheetParser } from './spritesheetParser';
+export { default as spritesheetParser, getResourcePath } from './spritesheetParser';
 export { default as textureParser } from './textureParser';
 
 /**
@@ -13,3 +26,55 @@
  * @memberof PIXI.loaders
  */
 export { Resource } from 'resource-loader';
+
+/**
+ * A premade instance of the loader that can be used to load resources.
+ * @name shared
+ * @memberof PIXI.loaders
+ * @type {PIXI.loaders.Loader}
+ */
+const shared = new Loader();
+
+shared.destroy = () =>
+{
+    // protect destroying shared loader
+};
+
+export { shared };
+
+// Mixin the loader construction
+const AppPrototype = Application.prototype;
+
+AppPrototype._loader = null;
+
+/**
+ * Loader instance to help with asset loading.
+ * @name PIXI.Application#loader
+ * @type {PIXI.loaders.Loader}
+ */
+Object.defineProperty(AppPrototype, 'loader', {
+    get()
+    {
+        if (!this._loader)
+        {
+            const sharedLoader = this._options.sharedLoader;
+
+            this._loader = sharedLoader ? shared : new Loader();
+        }
+
+        return this._loader;
+    },
+});
+
+// Override the destroy function
+// making sure to destroy the current Loader
+AppPrototype._parentDestroy = AppPrototype.destroy;
+AppPrototype.destroy = function destroy()
+{
+    if (this._loader)
+    {
+        this._loader.destroy();
+        this._loader = null;
+    }
+    this._parentDestroy();
+};
diff --git a/src/loaders/loader.js b/src/loaders/loader.js
index 767a411..59b8000 100644
--- a/src/loaders/loader.js
+++ b/src/loaders/loader.js
@@ -90,6 +90,15 @@
     {
         Loader._pixiMiddleware.push(fn);
     }
+
+    /**
+     * Destroy the loader, removes references.
+     */
+    destroy()
+    {
+        this.removeAllListeners();
+        this.reset();
+    }
 }
 
 // Copy EE3 prototype (mixin)
diff --git a/src/loaders/spritesheetParser.js b/src/loaders/spritesheetParser.js
index e57dfb2..eda9584 100644
--- a/src/loaders/spritesheetParser.js
+++ b/src/loaders/spritesheetParser.js
@@ -1,12 +1,11 @@
 import { Resource } from 'resource-loader';
-import path from 'path';
+import url from 'url';
 import { Spritesheet } from '../core';
 
 export default function ()
 {
     return function spritesheetParser(resource, next)
     {
-        let resourcePath;
         const imageResourceName = `${resource.name}_image`;
 
         // skip if no data, its not json, it isn't spritesheet data, or the image resource already exists
@@ -28,15 +27,7 @@
             parentResource: resource,
         };
 
-        // Prepend url path unless the resource image is a data url
-        if (resource.isDataUrl)
-        {
-            resourcePath = resource.data.meta.image;
-        }
-        else
-        {
-            resourcePath = `${path.dirname(resource.url.replace(this.baseUrl, ''))}/${resource.data.meta.image}`;
-        }
+        const resourcePath = getResourcePath(resource, this.baseUrl);
 
         // load the image for this sheet
         this.add(imageResourceName, resourcePath, loadOptions, function onImageLoad(res)
@@ -56,3 +47,14 @@
         });
     };
 }
+
+export function getResourcePath(resource, baseUrl)
+{
+    // Prepend url path unless the resource image is a data url
+    if (resource.isDataUrl)
+    {
+        return resource.data.meta.image;
+    }
+
+    return url.resolve(resource.url.replace(baseUrl, ''), resource.data.meta.image);
+}
diff --git a/src/mesh/canvas/CanvasMeshRenderer.js b/src/mesh/canvas/CanvasMeshRenderer.js
index 297205f..f7899e1 100644
--- a/src/mesh/canvas/CanvasMeshRenderer.js
+++ b/src/mesh/canvas/CanvasMeshRenderer.js
@@ -134,12 +134,33 @@
         const textureWidth = base.width;
         const textureHeight = base.height;
 
-        const u0 = uvs[index0] * base.width;
-        const u1 = uvs[index1] * base.width;
-        const u2 = uvs[index2] * base.width;
-        const v0 = uvs[index0 + 1] * base.height;
-        const v1 = uvs[index1 + 1] * base.height;
-        const v2 = uvs[index2 + 1] * base.height;
+        let u0;
+        let u1;
+        let u2;
+        let v0;
+        let v1;
+        let v2;
+
+        if (mesh.uploadUvTransform)
+        {
+            const ut = mesh._uvTransform.mapCoord;
+
+            u0 = ((uvs[index0] * ut.a) + (uvs[index0 + 1] * ut.c) + ut.tx) * base.width;
+            u1 = ((uvs[index1] * ut.a) + (uvs[index1 + 1] * ut.c) + ut.tx) * base.width;
+            u2 = ((uvs[index2] * ut.a) + (uvs[index2 + 1] * ut.c) + ut.tx) * base.width;
+            v0 = ((uvs[index0] * ut.b) + (uvs[index0 + 1] * ut.d) + ut.ty) * base.height;
+            v1 = ((uvs[index1] * ut.b) + (uvs[index1 + 1] * ut.d) + ut.ty) * base.height;
+            v2 = ((uvs[index2] * ut.b) + (uvs[index2 + 1] * ut.d) + ut.ty) * base.height;
+        }
+        else
+        {
+            u0 = uvs[index0] * base.width;
+            u1 = uvs[index1] * base.width;
+            u2 = uvs[index2] * base.width;
+            v0 = uvs[index0 + 1] * base.height;
+            v1 = uvs[index1 + 1] * base.height;
+            v2 = uvs[index2 + 1] * base.height;
+        }
 
         let x0 = vertices[index0];
         let x1 = vertices[index1];
diff --git a/src/mesh/webgl/MeshRenderer.js b/src/mesh/webgl/MeshRenderer.js
index 78d24c3..ab99fcd 100644
--- a/src/mesh/webgl/MeshRenderer.js
+++ b/src/mesh/webgl/MeshRenderer.js
@@ -2,6 +2,8 @@
 
 const byteSizeMap = { 5126: 4, 5123: 2, 5121: 1 };
 
+const matrixIdentity = core.Matrix.IDENTITY;
+
 /**
  * WebGL renderer plugin for tiling sprites
  *
@@ -64,6 +66,7 @@
         mesh.geometry.glVertexArrayObjects[this.CONTEXT_UID].draw(mesh.drawMode, mesh.size, mesh.start, mesh.geometry.instanceCount);
     }
 
+
     /**
      * draws mesh
      * @param {PIXI.mesh.RawMesh} mesh mesh instance

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line
diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 02d53a3..449f8cc 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -30,7 +30,10 @@
         /**
          * When passed to an event handler, this will be the original DOM Event that was captured
          *
-         * @member {Event}
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+         * @member {MouseEvent|TouchEvent|PointerEvent}
          */
         this.originalEvent = null;
     }
diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 8baf13a..2d75c7c 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -13,6 +13,14 @@
 
 const MOUSE_POINTER_ID = 'MOUSE';
 
+// helpers for hitTest() - only used inside hitTest()
+const hitTestEvent = {
+    target: null,
+    data: {
+        global: null,
+    },
+};
+
 /**
  * The interaction manager deals with mouse, touch and pointer events. Any DisplayObject can be interactive
  * if its interactive parameter is set to true
@@ -245,67 +253,60 @@
         this.setTargetElement(this.renderer.view, this.renderer.resolution);
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed on the display
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display
          * object.
          *
-         * @event mousedown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * on the display object.
          *
-         * @event rightdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released over the display
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
          * object.
          *
-         * @event mouseup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is released
          * over the display object.
          *
-         * @event rightup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed and released on
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
          * the display object.
          *
-         * @event click
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * and released on the display object.
          *
-         * @event rightclick
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released outside the
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
          * display object that initially registered a
          * [mousedown]{@link PIXI.interaction.InteractionManager#event:mousedown}.
          *
-         * @event mouseupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
@@ -313,146 +314,362 @@
          * outside the display object that initially registered a
          * [rightdown]{@link PIXI.interaction.InteractionManager#event:rightdown}.
          *
-         * @event rightupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved while over the display object
          *
-         * @event mousemove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved onto the display object
          *
-         * @event mouseover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved off the display object
          *
-         * @event mouseout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed on the display object.
          *
-         * @event pointerdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released over the display object.
          *
-         * @event pointerup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a pointer event
          *
-         * @event pointercancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed and released on the display object.
          *
-         * @event pointertap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released outside the display object that initially
          * registered a [pointerdown]{@link PIXI.interaction.InteractionManager#event:pointerdown}.
          *
-         * @event pointerupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved while over the display object
          *
-         * @event pointermove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved onto the display object
          *
-         * @event pointerover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved off the display object
          *
-         * @event pointerout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed on the display object.
          *
-         * @event touchstart
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed from the display object.
          *
-         * @event touchend
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a touch
          *
-         * @event touchcancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed and removed from the display object.
          *
-         * @event tap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed outside of the display object that initially
          * registered a [touchstart]{@link PIXI.interaction.InteractionManager#event:touchstart}.
          *
-         * @event touchendoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is moved along the display object.
          *
-         * @event touchmove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display.
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * over the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
+         * the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * and released on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
+         * display object that initially registered a
+         * [mousedown]{@link PIXI.DisplayObject#event:mousedown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * outside the display object that initially registered a
+         * [rightdown]{@link PIXI.DisplayObject#event:rightdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a pointer event.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed and released on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released outside the display object that initially
+         * registered a [pointerdown]{@link PIXI.DisplayObject#event:pointerdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a touch.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed and removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed outside of the display object that initially
+         * registered a [touchstart]{@link PIXI.DisplayObject#event:touchstart}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is moved along the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+    }
+
+    /**
+     * Hit tests a point against the display tree, returning the first interactive object that is hit.
+     *
+     * @param {PIXI.Point} globalPoint - A point to hit test with, in global space.
+     * @param {PIXI.Container} [root] - The root display object to start from. If omitted, defaults
+     * to the last rendered root of the associated renderer.
+     * @return {PIXI.DisplayObject} The hit display object, if any.
+     */
+    hitTest(globalPoint, root)
+    {
+        // clear the target for our hit test
+        hitTestEvent.target = null;
+        // assign the global point
+        hitTestEvent.data.global = globalPoint;
+        // ensure safety of the root
+        if (!root)
+        {
+            root = this.renderer._lastObjectRendered;
+        }
+        // run the hit test
+        this.processInteractive(hitTestEvent, root, null, true);
+        // return our found object - it'll be null if we didn't hit anything
+
+        return hitTestEvent.target;
     }
 
     /**
@@ -487,7 +704,7 @@
             return;
         }
 
-        core.ticker.shared.add(this.update, this);
+        core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.INTERACTION);
 
         if (window.navigator.msPointerEnabled)
         {
@@ -804,8 +1021,6 @@
             }
         }
 
-        let keepHitTestingAfterChildren = hitTest;
-
         // ** FREE TIP **! If an object is not interactive or has no buttons in it
         // (such as a game scene!) set interactiveChildren to false for that displayObject.
         // This will allow pixi to completely ignore and bypass checking the displayObjects children.
@@ -818,7 +1033,9 @@
                 const child = children[i];
 
                 // time to get recursive.. if this function will return if something is hit..
-                if (this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent))
+                const childHit = this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent);
+
+                if (childHit)
                 {
                     // its a good idea to check if a child has lost its parent.
                     // this means it has been removed whilst looping so its best
@@ -827,8 +1044,6 @@
                         continue;
                     }
 
-                    hit = true;
-
                     // we no longer need to hit test any more objects in this container as we we
                     // now know the parent has been hit
                     interactiveParent = false;
@@ -838,36 +1053,41 @@
                     // This means we no longer need to hit test anything else. We still need to run
                     // through all objects, but we don't need to perform any hit tests.
 
-                    keepHitTestingAfterChildren = false;
-
-                    if (child.interactive)
+                    if (childHit)
                     {
-                        hitTest = false;
+                        if (interactionEvent.target)
+                        {
+                            hitTest = false;
+                        }
+                        hit = true;
                     }
-
-                    // we can break now as we have hit an object.
                 }
             }
         }
 
-        hitTest = keepHitTestingAfterChildren;
-
         // no point running this if the item is not interactive or does not have an interactive parent.
         if (interactive)
         {
             // if we are hit testing (as in we have no hit any objects yet)
             // We also don't need to worry about hit testing if once of the displayObjects children
-            // has already been hit!
-            if (hitTest && !hit)
+            // has already been hit - but only if it was interactive, otherwise we need to keep
+            // looking for an interactive child, just in case we hit one
+            if (hitTest && !interactionEvent.target)
             {
                 if (displayObject.hitArea)
                 {
                     displayObject.worldTransform.applyInverse(point, this._tempPoint);
-                    hit = displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y);
+                    if (displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y))
+                    {
+                        hit = true;
+                    }
                 }
                 else if (displayObject.containsPoint)
                 {
-                    hit = displayObject.containsPoint(point);
+                    if (displayObject.containsPoint(point))
+                    {
+                        hit = true;
+                    }
                 }
             }
 
@@ -878,7 +1098,10 @@
                     interactionEvent.target = displayObject;
                 }
 
-                func(interactionEvent, displayObject, hit);
+                if (func)
+                {
+                    func(interactionEvent, displayObject, !!hit);
+                }
             }
         }
 
@@ -914,7 +1137,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -998,7 +1221,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1098,7 +1321,7 @@
 
             const test = isRightButton ? flags.RIGHT_DOWN : flags.LEFT_DOWN;
 
-            const isDown = trackingData !== undefined && (trackingData.flags | test);
+            const isDown = trackingData !== undefined && (trackingData.flags & test);
 
             if (hit)
             {
@@ -1118,11 +1341,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }
@@ -1180,7 +1403,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1255,7 +1478,7 @@
             this.setCursorMode(null);
         }
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1268,6 +1491,12 @@
         {
             this.emit('mouseout', interactionEvent);
         }
+        else
+        {
+            // we can get touchleave events after touchend, so we want to make sure we don't
+            // introduce memory leaks
+            this.releaseInteractionDataForPointerId(interactionData.identifier);
+        }
     }
 
     /**
@@ -1344,7 +1573,7 @@
         // Only mouse and pointer can call onPointerOver, so events will always be length 1
         const event = events[0];
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1366,12 +1595,14 @@
      * Get InteractionData for a given pointerId. Store that data as well
      *
      * @private
-     * @param {number} pointerId - Identifier from a pointer event
+     * @param {PointerEvent} event - Normalized pointer event, output from normalizeToPointerData
      * @return {InteractionData} - Interaction data for the given pointer identifier
      */
-    getInteractionDataForPointerId(pointerId)
+    getInteractionDataForPointerId(event)
     {
-        if (pointerId === MOUSE_POINTER_ID)
+        const pointerId = event.pointerId;
+
+        if (pointerId === MOUSE_POINTER_ID || event.pointerType === 'mouse')
         {
             return this.mouse;
         }
diff --git a/src/interaction/InteractionTrackingData.js b/src/interaction/InteractionTrackingData.js
index 6a1f69e..8493b63 100644
--- a/src/interaction/InteractionTrackingData.js
+++ b/src/interaction/InteractionTrackingData.js
@@ -35,8 +35,10 @@
     }
 
     /**
+     * Unique pointer id of the event
+     *
      * @readonly
-     * @type {number} Unique pointer id of the event
+     * @member {number}
      */
     get pointerId()
     {
diff --git a/src/interaction/index.js b/src/interaction/index.js
index 56c5b09..72f7d71 100644
--- a/src/interaction/index.js
+++ b/src/interaction/index.js
@@ -1,4 +1,8 @@
 /**
+ * This namespace contains a renderer plugin for handling mouse, pointer, and touch events.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.interaction
  */
 export { default as InteractionData } from './InteractionData';
diff --git a/src/interaction/interactiveTarget.js b/src/interaction/interactiveTarget.js
index d252fba..cebac40 100644
--- a/src/interaction/interactiveTarget.js
+++ b/src/interaction/interactiveTarget.js
@@ -2,7 +2,7 @@
  * Default property values of interactive objects
  * Used by {@link PIXI.interaction.InteractionManager} to automatically give all DisplayObjects these properties
  *
- * @mixin
+ * @private
  * @name interactiveTarget
  * @memberof PIXI.interaction
  * @example
@@ -14,18 +14,28 @@
  *      );
  */
 export default {
+
     /**
-     * Determines if the displayObject be clicked/touched
+     * Enable interaction events for the DisplayObject. Touch, pointer and mouse
+     * events will not be emitted unless `interactive` is set to `true`.
      *
-     * @inner {boolean}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.on('tap', (event) => {
+     *    //handle event
+     * });
+     * @member {boolean}
+     * @memberof PIXI.DisplayObject#
      */
     interactive: false,
 
     /**
      * Determines if the children to the displayObject can be clicked/touched
-     * Setting this to false allows pixi to bypass a recursive hitTest function
+     * Setting this to false allows pixi to bypass a recursive `hitTest` function
      *
-     * @inner {boolean}
+     * @member {boolean}
+     * @memberof PIXI.Container#
      */
     interactiveChildren: true,
 
@@ -33,7 +43,12 @@
      * Interaction shape. Children will be hit first, then this shape will be checked.
      * Setting this will cause this shape to be checked in hit tests rather than the displayObject's bounds.
      *
-     * @inner {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.hitArea = new PIXI.Rectangle(0, 0, 100, 100);
+     * @member {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @memberof PIXI.DisplayObject#
      */
     hitArea: null,
 
@@ -41,8 +56,12 @@
      * If enabled, the mouse cursor use the pointer behavior when hovered over the displayObject if it is interactive
      * Setting this changes the 'cursor' property to `'pointer'`.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.buttonMode = true;
      * @member {boolean}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      */
     get buttonMode()
     {
@@ -64,9 +83,14 @@
      * This defines what cursor mode is used when the mouse cursor
      * is hovered over the displayObject.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.cursor = 'wait';
      * @see https://developer.mozilla.org/en/docs/Web/CSS/cursor
      *
-     * @inner {string}
+     * @member {string}
+     * @memberof PIXI.DisplayObject#
      */
     cursor: null,
 
@@ -74,7 +98,7 @@
      * Internal set of all active pointers, by identifier
      *
      * @member {Map<number, InteractionTrackingData>}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      * @private
      */
     get trackedPointers()
@@ -87,7 +111,8 @@
     /**
      * Map of all tracked pointers, by identifier. Use trackedPointers to access.
      *
-     * @private {Map<number, InteractionTrackingData>}
+     * @private
+     * @type {Map<number, InteractionTrackingData>}
      */
     _trackedPointers: undefined,
 };
diff --git a/src/loaders/index.js b/src/loaders/index.js
index 5189793..daa1fc4 100644
--- a/src/loaders/index.js
+++ b/src/loaders/index.js
@@ -1,9 +1,22 @@
+import Application from '../core/Application';
+import Loader from './loader';
+
 /**
+ * This namespace contains APIs which extends the {@link https://github.com/englercj/resource-loader resource-loader} module
+ * for loading assets, data, and other resources dynamically.
+ * @example
+ * const loader = new PIXI.loaders.Loader();
+ * loader.add('bunny', 'data/bunny.png')
+ *       .add('spaceship', 'assets/spritesheet.json');
+ * loader.load((loader, resources) => {
+ *    // resources.bunny
+ *    // resources.spaceship
+ * });
  * @namespace PIXI.loaders
  */
-export { default as Loader } from './loader';
+export { Loader };
 export { default as bitmapFontParser, parse as parseBitmapFontData } from './bitmapFontParser';
-export { default as spritesheetParser } from './spritesheetParser';
+export { default as spritesheetParser, getResourcePath } from './spritesheetParser';
 export { default as textureParser } from './textureParser';
 
 /**
@@ -13,3 +26,55 @@
  * @memberof PIXI.loaders
  */
 export { Resource } from 'resource-loader';
+
+/**
+ * A premade instance of the loader that can be used to load resources.
+ * @name shared
+ * @memberof PIXI.loaders
+ * @type {PIXI.loaders.Loader}
+ */
+const shared = new Loader();
+
+shared.destroy = () =>
+{
+    // protect destroying shared loader
+};
+
+export { shared };
+
+// Mixin the loader construction
+const AppPrototype = Application.prototype;
+
+AppPrototype._loader = null;
+
+/**
+ * Loader instance to help with asset loading.
+ * @name PIXI.Application#loader
+ * @type {PIXI.loaders.Loader}
+ */
+Object.defineProperty(AppPrototype, 'loader', {
+    get()
+    {
+        if (!this._loader)
+        {
+            const sharedLoader = this._options.sharedLoader;
+
+            this._loader = sharedLoader ? shared : new Loader();
+        }
+
+        return this._loader;
+    },
+});
+
+// Override the destroy function
+// making sure to destroy the current Loader
+AppPrototype._parentDestroy = AppPrototype.destroy;
+AppPrototype.destroy = function destroy()
+{
+    if (this._loader)
+    {
+        this._loader.destroy();
+        this._loader = null;
+    }
+    this._parentDestroy();
+};
diff --git a/src/loaders/loader.js b/src/loaders/loader.js
index 767a411..59b8000 100644
--- a/src/loaders/loader.js
+++ b/src/loaders/loader.js
@@ -90,6 +90,15 @@
     {
         Loader._pixiMiddleware.push(fn);
     }
+
+    /**
+     * Destroy the loader, removes references.
+     */
+    destroy()
+    {
+        this.removeAllListeners();
+        this.reset();
+    }
 }
 
 // Copy EE3 prototype (mixin)
diff --git a/src/loaders/spritesheetParser.js b/src/loaders/spritesheetParser.js
index e57dfb2..eda9584 100644
--- a/src/loaders/spritesheetParser.js
+++ b/src/loaders/spritesheetParser.js
@@ -1,12 +1,11 @@
 import { Resource } from 'resource-loader';
-import path from 'path';
+import url from 'url';
 import { Spritesheet } from '../core';
 
 export default function ()
 {
     return function spritesheetParser(resource, next)
     {
-        let resourcePath;
         const imageResourceName = `${resource.name}_image`;
 
         // skip if no data, its not json, it isn't spritesheet data, or the image resource already exists
@@ -28,15 +27,7 @@
             parentResource: resource,
         };
 
-        // Prepend url path unless the resource image is a data url
-        if (resource.isDataUrl)
-        {
-            resourcePath = resource.data.meta.image;
-        }
-        else
-        {
-            resourcePath = `${path.dirname(resource.url.replace(this.baseUrl, ''))}/${resource.data.meta.image}`;
-        }
+        const resourcePath = getResourcePath(resource, this.baseUrl);
 
         // load the image for this sheet
         this.add(imageResourceName, resourcePath, loadOptions, function onImageLoad(res)
@@ -56,3 +47,14 @@
         });
     };
 }
+
+export function getResourcePath(resource, baseUrl)
+{
+    // Prepend url path unless the resource image is a data url
+    if (resource.isDataUrl)
+    {
+        return resource.data.meta.image;
+    }
+
+    return url.resolve(resource.url.replace(baseUrl, ''), resource.data.meta.image);
+}
diff --git a/src/mesh/canvas/CanvasMeshRenderer.js b/src/mesh/canvas/CanvasMeshRenderer.js
index 297205f..f7899e1 100644
--- a/src/mesh/canvas/CanvasMeshRenderer.js
+++ b/src/mesh/canvas/CanvasMeshRenderer.js
@@ -134,12 +134,33 @@
         const textureWidth = base.width;
         const textureHeight = base.height;
 
-        const u0 = uvs[index0] * base.width;
-        const u1 = uvs[index1] * base.width;
-        const u2 = uvs[index2] * base.width;
-        const v0 = uvs[index0 + 1] * base.height;
-        const v1 = uvs[index1 + 1] * base.height;
-        const v2 = uvs[index2 + 1] * base.height;
+        let u0;
+        let u1;
+        let u2;
+        let v0;
+        let v1;
+        let v2;
+
+        if (mesh.uploadUvTransform)
+        {
+            const ut = mesh._uvTransform.mapCoord;
+
+            u0 = ((uvs[index0] * ut.a) + (uvs[index0 + 1] * ut.c) + ut.tx) * base.width;
+            u1 = ((uvs[index1] * ut.a) + (uvs[index1 + 1] * ut.c) + ut.tx) * base.width;
+            u2 = ((uvs[index2] * ut.a) + (uvs[index2 + 1] * ut.c) + ut.tx) * base.width;
+            v0 = ((uvs[index0] * ut.b) + (uvs[index0 + 1] * ut.d) + ut.ty) * base.height;
+            v1 = ((uvs[index1] * ut.b) + (uvs[index1 + 1] * ut.d) + ut.ty) * base.height;
+            v2 = ((uvs[index2] * ut.b) + (uvs[index2 + 1] * ut.d) + ut.ty) * base.height;
+        }
+        else
+        {
+            u0 = uvs[index0] * base.width;
+            u1 = uvs[index1] * base.width;
+            u2 = uvs[index2] * base.width;
+            v0 = uvs[index0 + 1] * base.height;
+            v1 = uvs[index1 + 1] * base.height;
+            v2 = uvs[index2 + 1] * base.height;
+        }
 
         let x0 = vertices[index0];
         let x1 = vertices[index1];
diff --git a/src/mesh/webgl/MeshRenderer.js b/src/mesh/webgl/MeshRenderer.js
index 78d24c3..ab99fcd 100644
--- a/src/mesh/webgl/MeshRenderer.js
+++ b/src/mesh/webgl/MeshRenderer.js
@@ -2,6 +2,8 @@
 
 const byteSizeMap = { 5126: 4, 5123: 2, 5121: 1 };
 
+const matrixIdentity = core.Matrix.IDENTITY;
+
 /**
  * WebGL renderer plugin for tiling sprites
  *
@@ -64,6 +66,7 @@
         mesh.geometry.glVertexArrayObjects[this.CONTEXT_UID].draw(mesh.drawMode, mesh.size, mesh.start, mesh.geometry.instanceCount);
     }
 
+
     /**
      * draws mesh
      * @param {PIXI.mesh.RawMesh} mesh mesh instance
diff --git a/src/mesh/webgl/mesh.vert b/src/mesh/webgl/mesh.vert
index a337aef..acc096c 100644
--- a/src/mesh/webgl/mesh.vert
+++ b/src/mesh/webgl/mesh.vert
@@ -1,8 +1,9 @@
 attribute vec2 aVertexPosition;
 attribute vec2 aTextureCoord;
 
-uniform mat3 translationMatrix;
 uniform mat3 projectionMatrix;
+uniform mat3 translationMatrix;
+uniform mat3 uTransform;
 
 varying vec2 vTextureCoord;
 
@@ -10,5 +11,5 @@
 {
     gl_Position = vec4((projectionMatrix * translationMatrix * vec3(aVertexPosition, 1.0)).xy, 0.0, 1.0);
 
-    vTextureCoord = aTextureCoord;
+    vTextureCoord = (uTransform * vec3(aTextureCoord, 1.0)).xy;
 }

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line
diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 02d53a3..449f8cc 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -30,7 +30,10 @@
         /**
          * When passed to an event handler, this will be the original DOM Event that was captured
          *
-         * @member {Event}
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+         * @member {MouseEvent|TouchEvent|PointerEvent}
          */
         this.originalEvent = null;
     }
diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 8baf13a..2d75c7c 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -13,6 +13,14 @@
 
 const MOUSE_POINTER_ID = 'MOUSE';
 
+// helpers for hitTest() - only used inside hitTest()
+const hitTestEvent = {
+    target: null,
+    data: {
+        global: null,
+    },
+};
+
 /**
  * The interaction manager deals with mouse, touch and pointer events. Any DisplayObject can be interactive
  * if its interactive parameter is set to true
@@ -245,67 +253,60 @@
         this.setTargetElement(this.renderer.view, this.renderer.resolution);
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed on the display
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display
          * object.
          *
-         * @event mousedown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * on the display object.
          *
-         * @event rightdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released over the display
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
          * object.
          *
-         * @event mouseup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is released
          * over the display object.
          *
-         * @event rightup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed and released on
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
          * the display object.
          *
-         * @event click
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * and released on the display object.
          *
-         * @event rightclick
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released outside the
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
          * display object that initially registered a
          * [mousedown]{@link PIXI.interaction.InteractionManager#event:mousedown}.
          *
-         * @event mouseupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
@@ -313,146 +314,362 @@
          * outside the display object that initially registered a
          * [rightdown]{@link PIXI.interaction.InteractionManager#event:rightdown}.
          *
-         * @event rightupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved while over the display object
          *
-         * @event mousemove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved onto the display object
          *
-         * @event mouseover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved off the display object
          *
-         * @event mouseout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed on the display object.
          *
-         * @event pointerdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released over the display object.
          *
-         * @event pointerup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a pointer event
          *
-         * @event pointercancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed and released on the display object.
          *
-         * @event pointertap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released outside the display object that initially
          * registered a [pointerdown]{@link PIXI.interaction.InteractionManager#event:pointerdown}.
          *
-         * @event pointerupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved while over the display object
          *
-         * @event pointermove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved onto the display object
          *
-         * @event pointerover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved off the display object
          *
-         * @event pointerout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed on the display object.
          *
-         * @event touchstart
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed from the display object.
          *
-         * @event touchend
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a touch
          *
-         * @event touchcancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed and removed from the display object.
          *
-         * @event tap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed outside of the display object that initially
          * registered a [touchstart]{@link PIXI.interaction.InteractionManager#event:touchstart}.
          *
-         * @event touchendoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is moved along the display object.
          *
-         * @event touchmove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display.
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * over the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
+         * the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * and released on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
+         * display object that initially registered a
+         * [mousedown]{@link PIXI.DisplayObject#event:mousedown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * outside the display object that initially registered a
+         * [rightdown]{@link PIXI.DisplayObject#event:rightdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a pointer event.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed and released on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released outside the display object that initially
+         * registered a [pointerdown]{@link PIXI.DisplayObject#event:pointerdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a touch.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed and removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed outside of the display object that initially
+         * registered a [touchstart]{@link PIXI.DisplayObject#event:touchstart}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is moved along the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+    }
+
+    /**
+     * Hit tests a point against the display tree, returning the first interactive object that is hit.
+     *
+     * @param {PIXI.Point} globalPoint - A point to hit test with, in global space.
+     * @param {PIXI.Container} [root] - The root display object to start from. If omitted, defaults
+     * to the last rendered root of the associated renderer.
+     * @return {PIXI.DisplayObject} The hit display object, if any.
+     */
+    hitTest(globalPoint, root)
+    {
+        // clear the target for our hit test
+        hitTestEvent.target = null;
+        // assign the global point
+        hitTestEvent.data.global = globalPoint;
+        // ensure safety of the root
+        if (!root)
+        {
+            root = this.renderer._lastObjectRendered;
+        }
+        // run the hit test
+        this.processInteractive(hitTestEvent, root, null, true);
+        // return our found object - it'll be null if we didn't hit anything
+
+        return hitTestEvent.target;
     }
 
     /**
@@ -487,7 +704,7 @@
             return;
         }
 
-        core.ticker.shared.add(this.update, this);
+        core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.INTERACTION);
 
         if (window.navigator.msPointerEnabled)
         {
@@ -804,8 +1021,6 @@
             }
         }
 
-        let keepHitTestingAfterChildren = hitTest;
-
         // ** FREE TIP **! If an object is not interactive or has no buttons in it
         // (such as a game scene!) set interactiveChildren to false for that displayObject.
         // This will allow pixi to completely ignore and bypass checking the displayObjects children.
@@ -818,7 +1033,9 @@
                 const child = children[i];
 
                 // time to get recursive.. if this function will return if something is hit..
-                if (this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent))
+                const childHit = this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent);
+
+                if (childHit)
                 {
                     // its a good idea to check if a child has lost its parent.
                     // this means it has been removed whilst looping so its best
@@ -827,8 +1044,6 @@
                         continue;
                     }
 
-                    hit = true;
-
                     // we no longer need to hit test any more objects in this container as we we
                     // now know the parent has been hit
                     interactiveParent = false;
@@ -838,36 +1053,41 @@
                     // This means we no longer need to hit test anything else. We still need to run
                     // through all objects, but we don't need to perform any hit tests.
 
-                    keepHitTestingAfterChildren = false;
-
-                    if (child.interactive)
+                    if (childHit)
                     {
-                        hitTest = false;
+                        if (interactionEvent.target)
+                        {
+                            hitTest = false;
+                        }
+                        hit = true;
                     }
-
-                    // we can break now as we have hit an object.
                 }
             }
         }
 
-        hitTest = keepHitTestingAfterChildren;
-
         // no point running this if the item is not interactive or does not have an interactive parent.
         if (interactive)
         {
             // if we are hit testing (as in we have no hit any objects yet)
             // We also don't need to worry about hit testing if once of the displayObjects children
-            // has already been hit!
-            if (hitTest && !hit)
+            // has already been hit - but only if it was interactive, otherwise we need to keep
+            // looking for an interactive child, just in case we hit one
+            if (hitTest && !interactionEvent.target)
             {
                 if (displayObject.hitArea)
                 {
                     displayObject.worldTransform.applyInverse(point, this._tempPoint);
-                    hit = displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y);
+                    if (displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y))
+                    {
+                        hit = true;
+                    }
                 }
                 else if (displayObject.containsPoint)
                 {
-                    hit = displayObject.containsPoint(point);
+                    if (displayObject.containsPoint(point))
+                    {
+                        hit = true;
+                    }
                 }
             }
 
@@ -878,7 +1098,10 @@
                     interactionEvent.target = displayObject;
                 }
 
-                func(interactionEvent, displayObject, hit);
+                if (func)
+                {
+                    func(interactionEvent, displayObject, !!hit);
+                }
             }
         }
 
@@ -914,7 +1137,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -998,7 +1221,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1098,7 +1321,7 @@
 
             const test = isRightButton ? flags.RIGHT_DOWN : flags.LEFT_DOWN;
 
-            const isDown = trackingData !== undefined && (trackingData.flags | test);
+            const isDown = trackingData !== undefined && (trackingData.flags & test);
 
             if (hit)
             {
@@ -1118,11 +1341,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }
@@ -1180,7 +1403,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1255,7 +1478,7 @@
             this.setCursorMode(null);
         }
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1268,6 +1491,12 @@
         {
             this.emit('mouseout', interactionEvent);
         }
+        else
+        {
+            // we can get touchleave events after touchend, so we want to make sure we don't
+            // introduce memory leaks
+            this.releaseInteractionDataForPointerId(interactionData.identifier);
+        }
     }
 
     /**
@@ -1344,7 +1573,7 @@
         // Only mouse and pointer can call onPointerOver, so events will always be length 1
         const event = events[0];
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1366,12 +1595,14 @@
      * Get InteractionData for a given pointerId. Store that data as well
      *
      * @private
-     * @param {number} pointerId - Identifier from a pointer event
+     * @param {PointerEvent} event - Normalized pointer event, output from normalizeToPointerData
      * @return {InteractionData} - Interaction data for the given pointer identifier
      */
-    getInteractionDataForPointerId(pointerId)
+    getInteractionDataForPointerId(event)
     {
-        if (pointerId === MOUSE_POINTER_ID)
+        const pointerId = event.pointerId;
+
+        if (pointerId === MOUSE_POINTER_ID || event.pointerType === 'mouse')
         {
             return this.mouse;
         }
diff --git a/src/interaction/InteractionTrackingData.js b/src/interaction/InteractionTrackingData.js
index 6a1f69e..8493b63 100644
--- a/src/interaction/InteractionTrackingData.js
+++ b/src/interaction/InteractionTrackingData.js
@@ -35,8 +35,10 @@
     }
 
     /**
+     * Unique pointer id of the event
+     *
      * @readonly
-     * @type {number} Unique pointer id of the event
+     * @member {number}
      */
     get pointerId()
     {
diff --git a/src/interaction/index.js b/src/interaction/index.js
index 56c5b09..72f7d71 100644
--- a/src/interaction/index.js
+++ b/src/interaction/index.js
@@ -1,4 +1,8 @@
 /**
+ * This namespace contains a renderer plugin for handling mouse, pointer, and touch events.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.interaction
  */
 export { default as InteractionData } from './InteractionData';
diff --git a/src/interaction/interactiveTarget.js b/src/interaction/interactiveTarget.js
index d252fba..cebac40 100644
--- a/src/interaction/interactiveTarget.js
+++ b/src/interaction/interactiveTarget.js
@@ -2,7 +2,7 @@
  * Default property values of interactive objects
  * Used by {@link PIXI.interaction.InteractionManager} to automatically give all DisplayObjects these properties
  *
- * @mixin
+ * @private
  * @name interactiveTarget
  * @memberof PIXI.interaction
  * @example
@@ -14,18 +14,28 @@
  *      );
  */
 export default {
+
     /**
-     * Determines if the displayObject be clicked/touched
+     * Enable interaction events for the DisplayObject. Touch, pointer and mouse
+     * events will not be emitted unless `interactive` is set to `true`.
      *
-     * @inner {boolean}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.on('tap', (event) => {
+     *    //handle event
+     * });
+     * @member {boolean}
+     * @memberof PIXI.DisplayObject#
      */
     interactive: false,
 
     /**
      * Determines if the children to the displayObject can be clicked/touched
-     * Setting this to false allows pixi to bypass a recursive hitTest function
+     * Setting this to false allows pixi to bypass a recursive `hitTest` function
      *
-     * @inner {boolean}
+     * @member {boolean}
+     * @memberof PIXI.Container#
      */
     interactiveChildren: true,
 
@@ -33,7 +43,12 @@
      * Interaction shape. Children will be hit first, then this shape will be checked.
      * Setting this will cause this shape to be checked in hit tests rather than the displayObject's bounds.
      *
-     * @inner {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.hitArea = new PIXI.Rectangle(0, 0, 100, 100);
+     * @member {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @memberof PIXI.DisplayObject#
      */
     hitArea: null,
 
@@ -41,8 +56,12 @@
      * If enabled, the mouse cursor use the pointer behavior when hovered over the displayObject if it is interactive
      * Setting this changes the 'cursor' property to `'pointer'`.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.buttonMode = true;
      * @member {boolean}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      */
     get buttonMode()
     {
@@ -64,9 +83,14 @@
      * This defines what cursor mode is used when the mouse cursor
      * is hovered over the displayObject.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.cursor = 'wait';
      * @see https://developer.mozilla.org/en/docs/Web/CSS/cursor
      *
-     * @inner {string}
+     * @member {string}
+     * @memberof PIXI.DisplayObject#
      */
     cursor: null,
 
@@ -74,7 +98,7 @@
      * Internal set of all active pointers, by identifier
      *
      * @member {Map<number, InteractionTrackingData>}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      * @private
      */
     get trackedPointers()
@@ -87,7 +111,8 @@
     /**
      * Map of all tracked pointers, by identifier. Use trackedPointers to access.
      *
-     * @private {Map<number, InteractionTrackingData>}
+     * @private
+     * @type {Map<number, InteractionTrackingData>}
      */
     _trackedPointers: undefined,
 };
diff --git a/src/loaders/index.js b/src/loaders/index.js
index 5189793..daa1fc4 100644
--- a/src/loaders/index.js
+++ b/src/loaders/index.js
@@ -1,9 +1,22 @@
+import Application from '../core/Application';
+import Loader from './loader';
+
 /**
+ * This namespace contains APIs which extends the {@link https://github.com/englercj/resource-loader resource-loader} module
+ * for loading assets, data, and other resources dynamically.
+ * @example
+ * const loader = new PIXI.loaders.Loader();
+ * loader.add('bunny', 'data/bunny.png')
+ *       .add('spaceship', 'assets/spritesheet.json');
+ * loader.load((loader, resources) => {
+ *    // resources.bunny
+ *    // resources.spaceship
+ * });
  * @namespace PIXI.loaders
  */
-export { default as Loader } from './loader';
+export { Loader };
 export { default as bitmapFontParser, parse as parseBitmapFontData } from './bitmapFontParser';
-export { default as spritesheetParser } from './spritesheetParser';
+export { default as spritesheetParser, getResourcePath } from './spritesheetParser';
 export { default as textureParser } from './textureParser';
 
 /**
@@ -13,3 +26,55 @@
  * @memberof PIXI.loaders
  */
 export { Resource } from 'resource-loader';
+
+/**
+ * A premade instance of the loader that can be used to load resources.
+ * @name shared
+ * @memberof PIXI.loaders
+ * @type {PIXI.loaders.Loader}
+ */
+const shared = new Loader();
+
+shared.destroy = () =>
+{
+    // protect destroying shared loader
+};
+
+export { shared };
+
+// Mixin the loader construction
+const AppPrototype = Application.prototype;
+
+AppPrototype._loader = null;
+
+/**
+ * Loader instance to help with asset loading.
+ * @name PIXI.Application#loader
+ * @type {PIXI.loaders.Loader}
+ */
+Object.defineProperty(AppPrototype, 'loader', {
+    get()
+    {
+        if (!this._loader)
+        {
+            const sharedLoader = this._options.sharedLoader;
+
+            this._loader = sharedLoader ? shared : new Loader();
+        }
+
+        return this._loader;
+    },
+});
+
+// Override the destroy function
+// making sure to destroy the current Loader
+AppPrototype._parentDestroy = AppPrototype.destroy;
+AppPrototype.destroy = function destroy()
+{
+    if (this._loader)
+    {
+        this._loader.destroy();
+        this._loader = null;
+    }
+    this._parentDestroy();
+};
diff --git a/src/loaders/loader.js b/src/loaders/loader.js
index 767a411..59b8000 100644
--- a/src/loaders/loader.js
+++ b/src/loaders/loader.js
@@ -90,6 +90,15 @@
     {
         Loader._pixiMiddleware.push(fn);
     }
+
+    /**
+     * Destroy the loader, removes references.
+     */
+    destroy()
+    {
+        this.removeAllListeners();
+        this.reset();
+    }
 }
 
 // Copy EE3 prototype (mixin)
diff --git a/src/loaders/spritesheetParser.js b/src/loaders/spritesheetParser.js
index e57dfb2..eda9584 100644
--- a/src/loaders/spritesheetParser.js
+++ b/src/loaders/spritesheetParser.js
@@ -1,12 +1,11 @@
 import { Resource } from 'resource-loader';
-import path from 'path';
+import url from 'url';
 import { Spritesheet } from '../core';
 
 export default function ()
 {
     return function spritesheetParser(resource, next)
     {
-        let resourcePath;
         const imageResourceName = `${resource.name}_image`;
 
         // skip if no data, its not json, it isn't spritesheet data, or the image resource already exists
@@ -28,15 +27,7 @@
             parentResource: resource,
         };
 
-        // Prepend url path unless the resource image is a data url
-        if (resource.isDataUrl)
-        {
-            resourcePath = resource.data.meta.image;
-        }
-        else
-        {
-            resourcePath = `${path.dirname(resource.url.replace(this.baseUrl, ''))}/${resource.data.meta.image}`;
-        }
+        const resourcePath = getResourcePath(resource, this.baseUrl);
 
         // load the image for this sheet
         this.add(imageResourceName, resourcePath, loadOptions, function onImageLoad(res)
@@ -56,3 +47,14 @@
         });
     };
 }
+
+export function getResourcePath(resource, baseUrl)
+{
+    // Prepend url path unless the resource image is a data url
+    if (resource.isDataUrl)
+    {
+        return resource.data.meta.image;
+    }
+
+    return url.resolve(resource.url.replace(baseUrl, ''), resource.data.meta.image);
+}
diff --git a/src/mesh/canvas/CanvasMeshRenderer.js b/src/mesh/canvas/CanvasMeshRenderer.js
index 297205f..f7899e1 100644
--- a/src/mesh/canvas/CanvasMeshRenderer.js
+++ b/src/mesh/canvas/CanvasMeshRenderer.js
@@ -134,12 +134,33 @@
         const textureWidth = base.width;
         const textureHeight = base.height;
 
-        const u0 = uvs[index0] * base.width;
-        const u1 = uvs[index1] * base.width;
-        const u2 = uvs[index2] * base.width;
-        const v0 = uvs[index0 + 1] * base.height;
-        const v1 = uvs[index1 + 1] * base.height;
-        const v2 = uvs[index2 + 1] * base.height;
+        let u0;
+        let u1;
+        let u2;
+        let v0;
+        let v1;
+        let v2;
+
+        if (mesh.uploadUvTransform)
+        {
+            const ut = mesh._uvTransform.mapCoord;
+
+            u0 = ((uvs[index0] * ut.a) + (uvs[index0 + 1] * ut.c) + ut.tx) * base.width;
+            u1 = ((uvs[index1] * ut.a) + (uvs[index1 + 1] * ut.c) + ut.tx) * base.width;
+            u2 = ((uvs[index2] * ut.a) + (uvs[index2 + 1] * ut.c) + ut.tx) * base.width;
+            v0 = ((uvs[index0] * ut.b) + (uvs[index0 + 1] * ut.d) + ut.ty) * base.height;
+            v1 = ((uvs[index1] * ut.b) + (uvs[index1 + 1] * ut.d) + ut.ty) * base.height;
+            v2 = ((uvs[index2] * ut.b) + (uvs[index2 + 1] * ut.d) + ut.ty) * base.height;
+        }
+        else
+        {
+            u0 = uvs[index0] * base.width;
+            u1 = uvs[index1] * base.width;
+            u2 = uvs[index2] * base.width;
+            v0 = uvs[index0 + 1] * base.height;
+            v1 = uvs[index1 + 1] * base.height;
+            v2 = uvs[index2 + 1] * base.height;
+        }
 
         let x0 = vertices[index0];
         let x1 = vertices[index1];
diff --git a/src/mesh/webgl/MeshRenderer.js b/src/mesh/webgl/MeshRenderer.js
index 78d24c3..ab99fcd 100644
--- a/src/mesh/webgl/MeshRenderer.js
+++ b/src/mesh/webgl/MeshRenderer.js
@@ -2,6 +2,8 @@
 
 const byteSizeMap = { 5126: 4, 5123: 2, 5121: 1 };
 
+const matrixIdentity = core.Matrix.IDENTITY;
+
 /**
  * WebGL renderer plugin for tiling sprites
  *
@@ -64,6 +66,7 @@
         mesh.geometry.glVertexArrayObjects[this.CONTEXT_UID].draw(mesh.drawMode, mesh.size, mesh.start, mesh.geometry.instanceCount);
     }
 
+
     /**
      * draws mesh
      * @param {PIXI.mesh.RawMesh} mesh mesh instance
diff --git a/src/mesh/webgl/mesh.vert b/src/mesh/webgl/mesh.vert
index a337aef..acc096c 100644
--- a/src/mesh/webgl/mesh.vert
+++ b/src/mesh/webgl/mesh.vert
@@ -1,8 +1,9 @@
 attribute vec2 aVertexPosition;
 attribute vec2 aTextureCoord;
 
-uniform mat3 translationMatrix;
 uniform mat3 projectionMatrix;
+uniform mat3 translationMatrix;
+uniform mat3 uTransform;
 
 varying vec2 vTextureCoord;
 
@@ -10,5 +11,5 @@
 {
     gl_Position = vec4((projectionMatrix * translationMatrix * vec3(aVertexPosition, 1.0)).xy, 0.0, 1.0);
 
-    vTextureCoord = aTextureCoord;
+    vTextureCoord = (uTransform * vec3(aTextureCoord, 1.0)).xy;
 }
diff --git a/src/particles/ParticleContainer.js b/src/particles/ParticleContainer.js
index 67796cf..63f7791 100644
--- a/src/particles/ParticleContainer.js
+++ b/src/particles/ParticleContainer.js
@@ -313,10 +313,10 @@
                 frame.y * resolution,
                 frame.width * resolution,
                 frame.height * resolution,
-                positionX * resolution,
-                positionY * resolution,
-                finalWidth * resolution,
-                finalHeight * resolution
+                positionX * renderer.resolution,
+                positionY * renderer.resolution,
+                finalWidth * renderer.resolution,
+                finalHeight * renderer.resolution
             );
         }
     }

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line
diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 02d53a3..449f8cc 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -30,7 +30,10 @@
         /**
          * When passed to an event handler, this will be the original DOM Event that was captured
          *
-         * @member {Event}
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+         * @member {MouseEvent|TouchEvent|PointerEvent}
          */
         this.originalEvent = null;
     }
diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 8baf13a..2d75c7c 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -13,6 +13,14 @@
 
 const MOUSE_POINTER_ID = 'MOUSE';
 
+// helpers for hitTest() - only used inside hitTest()
+const hitTestEvent = {
+    target: null,
+    data: {
+        global: null,
+    },
+};
+
 /**
  * The interaction manager deals with mouse, touch and pointer events. Any DisplayObject can be interactive
  * if its interactive parameter is set to true
@@ -245,67 +253,60 @@
         this.setTargetElement(this.renderer.view, this.renderer.resolution);
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed on the display
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display
          * object.
          *
-         * @event mousedown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * on the display object.
          *
-         * @event rightdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released over the display
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
          * object.
          *
-         * @event mouseup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is released
          * over the display object.
          *
-         * @event rightup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed and released on
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
          * the display object.
          *
-         * @event click
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * and released on the display object.
          *
-         * @event rightclick
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released outside the
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
          * display object that initially registered a
          * [mousedown]{@link PIXI.interaction.InteractionManager#event:mousedown}.
          *
-         * @event mouseupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
@@ -313,146 +314,362 @@
          * outside the display object that initially registered a
          * [rightdown]{@link PIXI.interaction.InteractionManager#event:rightdown}.
          *
-         * @event rightupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved while over the display object
          *
-         * @event mousemove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved onto the display object
          *
-         * @event mouseover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved off the display object
          *
-         * @event mouseout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed on the display object.
          *
-         * @event pointerdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released over the display object.
          *
-         * @event pointerup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a pointer event
          *
-         * @event pointercancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed and released on the display object.
          *
-         * @event pointertap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released outside the display object that initially
          * registered a [pointerdown]{@link PIXI.interaction.InteractionManager#event:pointerdown}.
          *
-         * @event pointerupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved while over the display object
          *
-         * @event pointermove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved onto the display object
          *
-         * @event pointerover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved off the display object
          *
-         * @event pointerout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed on the display object.
          *
-         * @event touchstart
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed from the display object.
          *
-         * @event touchend
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a touch
          *
-         * @event touchcancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed and removed from the display object.
          *
-         * @event tap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed outside of the display object that initially
          * registered a [touchstart]{@link PIXI.interaction.InteractionManager#event:touchstart}.
          *
-         * @event touchendoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is moved along the display object.
          *
-         * @event touchmove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display.
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * over the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
+         * the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * and released on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
+         * display object that initially registered a
+         * [mousedown]{@link PIXI.DisplayObject#event:mousedown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * outside the display object that initially registered a
+         * [rightdown]{@link PIXI.DisplayObject#event:rightdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a pointer event.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed and released on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released outside the display object that initially
+         * registered a [pointerdown]{@link PIXI.DisplayObject#event:pointerdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a touch.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed and removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed outside of the display object that initially
+         * registered a [touchstart]{@link PIXI.DisplayObject#event:touchstart}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is moved along the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+    }
+
+    /**
+     * Hit tests a point against the display tree, returning the first interactive object that is hit.
+     *
+     * @param {PIXI.Point} globalPoint - A point to hit test with, in global space.
+     * @param {PIXI.Container} [root] - The root display object to start from. If omitted, defaults
+     * to the last rendered root of the associated renderer.
+     * @return {PIXI.DisplayObject} The hit display object, if any.
+     */
+    hitTest(globalPoint, root)
+    {
+        // clear the target for our hit test
+        hitTestEvent.target = null;
+        // assign the global point
+        hitTestEvent.data.global = globalPoint;
+        // ensure safety of the root
+        if (!root)
+        {
+            root = this.renderer._lastObjectRendered;
+        }
+        // run the hit test
+        this.processInteractive(hitTestEvent, root, null, true);
+        // return our found object - it'll be null if we didn't hit anything
+
+        return hitTestEvent.target;
     }
 
     /**
@@ -487,7 +704,7 @@
             return;
         }
 
-        core.ticker.shared.add(this.update, this);
+        core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.INTERACTION);
 
         if (window.navigator.msPointerEnabled)
         {
@@ -804,8 +1021,6 @@
             }
         }
 
-        let keepHitTestingAfterChildren = hitTest;
-
         // ** FREE TIP **! If an object is not interactive or has no buttons in it
         // (such as a game scene!) set interactiveChildren to false for that displayObject.
         // This will allow pixi to completely ignore and bypass checking the displayObjects children.
@@ -818,7 +1033,9 @@
                 const child = children[i];
 
                 // time to get recursive.. if this function will return if something is hit..
-                if (this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent))
+                const childHit = this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent);
+
+                if (childHit)
                 {
                     // its a good idea to check if a child has lost its parent.
                     // this means it has been removed whilst looping so its best
@@ -827,8 +1044,6 @@
                         continue;
                     }
 
-                    hit = true;
-
                     // we no longer need to hit test any more objects in this container as we we
                     // now know the parent has been hit
                     interactiveParent = false;
@@ -838,36 +1053,41 @@
                     // This means we no longer need to hit test anything else. We still need to run
                     // through all objects, but we don't need to perform any hit tests.
 
-                    keepHitTestingAfterChildren = false;
-
-                    if (child.interactive)
+                    if (childHit)
                     {
-                        hitTest = false;
+                        if (interactionEvent.target)
+                        {
+                            hitTest = false;
+                        }
+                        hit = true;
                     }
-
-                    // we can break now as we have hit an object.
                 }
             }
         }
 
-        hitTest = keepHitTestingAfterChildren;
-
         // no point running this if the item is not interactive or does not have an interactive parent.
         if (interactive)
         {
             // if we are hit testing (as in we have no hit any objects yet)
             // We also don't need to worry about hit testing if once of the displayObjects children
-            // has already been hit!
-            if (hitTest && !hit)
+            // has already been hit - but only if it was interactive, otherwise we need to keep
+            // looking for an interactive child, just in case we hit one
+            if (hitTest && !interactionEvent.target)
             {
                 if (displayObject.hitArea)
                 {
                     displayObject.worldTransform.applyInverse(point, this._tempPoint);
-                    hit = displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y);
+                    if (displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y))
+                    {
+                        hit = true;
+                    }
                 }
                 else if (displayObject.containsPoint)
                 {
-                    hit = displayObject.containsPoint(point);
+                    if (displayObject.containsPoint(point))
+                    {
+                        hit = true;
+                    }
                 }
             }
 
@@ -878,7 +1098,10 @@
                     interactionEvent.target = displayObject;
                 }
 
-                func(interactionEvent, displayObject, hit);
+                if (func)
+                {
+                    func(interactionEvent, displayObject, !!hit);
+                }
             }
         }
 
@@ -914,7 +1137,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -998,7 +1221,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1098,7 +1321,7 @@
 
             const test = isRightButton ? flags.RIGHT_DOWN : flags.LEFT_DOWN;
 
-            const isDown = trackingData !== undefined && (trackingData.flags | test);
+            const isDown = trackingData !== undefined && (trackingData.flags & test);
 
             if (hit)
             {
@@ -1118,11 +1341,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }
@@ -1180,7 +1403,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1255,7 +1478,7 @@
             this.setCursorMode(null);
         }
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1268,6 +1491,12 @@
         {
             this.emit('mouseout', interactionEvent);
         }
+        else
+        {
+            // we can get touchleave events after touchend, so we want to make sure we don't
+            // introduce memory leaks
+            this.releaseInteractionDataForPointerId(interactionData.identifier);
+        }
     }
 
     /**
@@ -1344,7 +1573,7 @@
         // Only mouse and pointer can call onPointerOver, so events will always be length 1
         const event = events[0];
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1366,12 +1595,14 @@
      * Get InteractionData for a given pointerId. Store that data as well
      *
      * @private
-     * @param {number} pointerId - Identifier from a pointer event
+     * @param {PointerEvent} event - Normalized pointer event, output from normalizeToPointerData
      * @return {InteractionData} - Interaction data for the given pointer identifier
      */
-    getInteractionDataForPointerId(pointerId)
+    getInteractionDataForPointerId(event)
     {
-        if (pointerId === MOUSE_POINTER_ID)
+        const pointerId = event.pointerId;
+
+        if (pointerId === MOUSE_POINTER_ID || event.pointerType === 'mouse')
         {
             return this.mouse;
         }
diff --git a/src/interaction/InteractionTrackingData.js b/src/interaction/InteractionTrackingData.js
index 6a1f69e..8493b63 100644
--- a/src/interaction/InteractionTrackingData.js
+++ b/src/interaction/InteractionTrackingData.js
@@ -35,8 +35,10 @@
     }
 
     /**
+     * Unique pointer id of the event
+     *
      * @readonly
-     * @type {number} Unique pointer id of the event
+     * @member {number}
      */
     get pointerId()
     {
diff --git a/src/interaction/index.js b/src/interaction/index.js
index 56c5b09..72f7d71 100644
--- a/src/interaction/index.js
+++ b/src/interaction/index.js
@@ -1,4 +1,8 @@
 /**
+ * This namespace contains a renderer plugin for handling mouse, pointer, and touch events.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.interaction
  */
 export { default as InteractionData } from './InteractionData';
diff --git a/src/interaction/interactiveTarget.js b/src/interaction/interactiveTarget.js
index d252fba..cebac40 100644
--- a/src/interaction/interactiveTarget.js
+++ b/src/interaction/interactiveTarget.js
@@ -2,7 +2,7 @@
  * Default property values of interactive objects
  * Used by {@link PIXI.interaction.InteractionManager} to automatically give all DisplayObjects these properties
  *
- * @mixin
+ * @private
  * @name interactiveTarget
  * @memberof PIXI.interaction
  * @example
@@ -14,18 +14,28 @@
  *      );
  */
 export default {
+
     /**
-     * Determines if the displayObject be clicked/touched
+     * Enable interaction events for the DisplayObject. Touch, pointer and mouse
+     * events will not be emitted unless `interactive` is set to `true`.
      *
-     * @inner {boolean}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.on('tap', (event) => {
+     *    //handle event
+     * });
+     * @member {boolean}
+     * @memberof PIXI.DisplayObject#
      */
     interactive: false,
 
     /**
      * Determines if the children to the displayObject can be clicked/touched
-     * Setting this to false allows pixi to bypass a recursive hitTest function
+     * Setting this to false allows pixi to bypass a recursive `hitTest` function
      *
-     * @inner {boolean}
+     * @member {boolean}
+     * @memberof PIXI.Container#
      */
     interactiveChildren: true,
 
@@ -33,7 +43,12 @@
      * Interaction shape. Children will be hit first, then this shape will be checked.
      * Setting this will cause this shape to be checked in hit tests rather than the displayObject's bounds.
      *
-     * @inner {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.hitArea = new PIXI.Rectangle(0, 0, 100, 100);
+     * @member {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @memberof PIXI.DisplayObject#
      */
     hitArea: null,
 
@@ -41,8 +56,12 @@
      * If enabled, the mouse cursor use the pointer behavior when hovered over the displayObject if it is interactive
      * Setting this changes the 'cursor' property to `'pointer'`.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.buttonMode = true;
      * @member {boolean}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      */
     get buttonMode()
     {
@@ -64,9 +83,14 @@
      * This defines what cursor mode is used when the mouse cursor
      * is hovered over the displayObject.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.cursor = 'wait';
      * @see https://developer.mozilla.org/en/docs/Web/CSS/cursor
      *
-     * @inner {string}
+     * @member {string}
+     * @memberof PIXI.DisplayObject#
      */
     cursor: null,
 
@@ -74,7 +98,7 @@
      * Internal set of all active pointers, by identifier
      *
      * @member {Map<number, InteractionTrackingData>}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      * @private
      */
     get trackedPointers()
@@ -87,7 +111,8 @@
     /**
      * Map of all tracked pointers, by identifier. Use trackedPointers to access.
      *
-     * @private {Map<number, InteractionTrackingData>}
+     * @private
+     * @type {Map<number, InteractionTrackingData>}
      */
     _trackedPointers: undefined,
 };
diff --git a/src/loaders/index.js b/src/loaders/index.js
index 5189793..daa1fc4 100644
--- a/src/loaders/index.js
+++ b/src/loaders/index.js
@@ -1,9 +1,22 @@
+import Application from '../core/Application';
+import Loader from './loader';
+
 /**
+ * This namespace contains APIs which extends the {@link https://github.com/englercj/resource-loader resource-loader} module
+ * for loading assets, data, and other resources dynamically.
+ * @example
+ * const loader = new PIXI.loaders.Loader();
+ * loader.add('bunny', 'data/bunny.png')
+ *       .add('spaceship', 'assets/spritesheet.json');
+ * loader.load((loader, resources) => {
+ *    // resources.bunny
+ *    // resources.spaceship
+ * });
  * @namespace PIXI.loaders
  */
-export { default as Loader } from './loader';
+export { Loader };
 export { default as bitmapFontParser, parse as parseBitmapFontData } from './bitmapFontParser';
-export { default as spritesheetParser } from './spritesheetParser';
+export { default as spritesheetParser, getResourcePath } from './spritesheetParser';
 export { default as textureParser } from './textureParser';
 
 /**
@@ -13,3 +26,55 @@
  * @memberof PIXI.loaders
  */
 export { Resource } from 'resource-loader';
+
+/**
+ * A premade instance of the loader that can be used to load resources.
+ * @name shared
+ * @memberof PIXI.loaders
+ * @type {PIXI.loaders.Loader}
+ */
+const shared = new Loader();
+
+shared.destroy = () =>
+{
+    // protect destroying shared loader
+};
+
+export { shared };
+
+// Mixin the loader construction
+const AppPrototype = Application.prototype;
+
+AppPrototype._loader = null;
+
+/**
+ * Loader instance to help with asset loading.
+ * @name PIXI.Application#loader
+ * @type {PIXI.loaders.Loader}
+ */
+Object.defineProperty(AppPrototype, 'loader', {
+    get()
+    {
+        if (!this._loader)
+        {
+            const sharedLoader = this._options.sharedLoader;
+
+            this._loader = sharedLoader ? shared : new Loader();
+        }
+
+        return this._loader;
+    },
+});
+
+// Override the destroy function
+// making sure to destroy the current Loader
+AppPrototype._parentDestroy = AppPrototype.destroy;
+AppPrototype.destroy = function destroy()
+{
+    if (this._loader)
+    {
+        this._loader.destroy();
+        this._loader = null;
+    }
+    this._parentDestroy();
+};
diff --git a/src/loaders/loader.js b/src/loaders/loader.js
index 767a411..59b8000 100644
--- a/src/loaders/loader.js
+++ b/src/loaders/loader.js
@@ -90,6 +90,15 @@
     {
         Loader._pixiMiddleware.push(fn);
     }
+
+    /**
+     * Destroy the loader, removes references.
+     */
+    destroy()
+    {
+        this.removeAllListeners();
+        this.reset();
+    }
 }
 
 // Copy EE3 prototype (mixin)
diff --git a/src/loaders/spritesheetParser.js b/src/loaders/spritesheetParser.js
index e57dfb2..eda9584 100644
--- a/src/loaders/spritesheetParser.js
+++ b/src/loaders/spritesheetParser.js
@@ -1,12 +1,11 @@
 import { Resource } from 'resource-loader';
-import path from 'path';
+import url from 'url';
 import { Spritesheet } from '../core';
 
 export default function ()
 {
     return function spritesheetParser(resource, next)
     {
-        let resourcePath;
         const imageResourceName = `${resource.name}_image`;
 
         // skip if no data, its not json, it isn't spritesheet data, or the image resource already exists
@@ -28,15 +27,7 @@
             parentResource: resource,
         };
 
-        // Prepend url path unless the resource image is a data url
-        if (resource.isDataUrl)
-        {
-            resourcePath = resource.data.meta.image;
-        }
-        else
-        {
-            resourcePath = `${path.dirname(resource.url.replace(this.baseUrl, ''))}/${resource.data.meta.image}`;
-        }
+        const resourcePath = getResourcePath(resource, this.baseUrl);
 
         // load the image for this sheet
         this.add(imageResourceName, resourcePath, loadOptions, function onImageLoad(res)
@@ -56,3 +47,14 @@
         });
     };
 }
+
+export function getResourcePath(resource, baseUrl)
+{
+    // Prepend url path unless the resource image is a data url
+    if (resource.isDataUrl)
+    {
+        return resource.data.meta.image;
+    }
+
+    return url.resolve(resource.url.replace(baseUrl, ''), resource.data.meta.image);
+}
diff --git a/src/mesh/canvas/CanvasMeshRenderer.js b/src/mesh/canvas/CanvasMeshRenderer.js
index 297205f..f7899e1 100644
--- a/src/mesh/canvas/CanvasMeshRenderer.js
+++ b/src/mesh/canvas/CanvasMeshRenderer.js
@@ -134,12 +134,33 @@
         const textureWidth = base.width;
         const textureHeight = base.height;
 
-        const u0 = uvs[index0] * base.width;
-        const u1 = uvs[index1] * base.width;
-        const u2 = uvs[index2] * base.width;
-        const v0 = uvs[index0 + 1] * base.height;
-        const v1 = uvs[index1 + 1] * base.height;
-        const v2 = uvs[index2 + 1] * base.height;
+        let u0;
+        let u1;
+        let u2;
+        let v0;
+        let v1;
+        let v2;
+
+        if (mesh.uploadUvTransform)
+        {
+            const ut = mesh._uvTransform.mapCoord;
+
+            u0 = ((uvs[index0] * ut.a) + (uvs[index0 + 1] * ut.c) + ut.tx) * base.width;
+            u1 = ((uvs[index1] * ut.a) + (uvs[index1 + 1] * ut.c) + ut.tx) * base.width;
+            u2 = ((uvs[index2] * ut.a) + (uvs[index2 + 1] * ut.c) + ut.tx) * base.width;
+            v0 = ((uvs[index0] * ut.b) + (uvs[index0 + 1] * ut.d) + ut.ty) * base.height;
+            v1 = ((uvs[index1] * ut.b) + (uvs[index1 + 1] * ut.d) + ut.ty) * base.height;
+            v2 = ((uvs[index2] * ut.b) + (uvs[index2 + 1] * ut.d) + ut.ty) * base.height;
+        }
+        else
+        {
+            u0 = uvs[index0] * base.width;
+            u1 = uvs[index1] * base.width;
+            u2 = uvs[index2] * base.width;
+            v0 = uvs[index0 + 1] * base.height;
+            v1 = uvs[index1 + 1] * base.height;
+            v2 = uvs[index2 + 1] * base.height;
+        }
 
         let x0 = vertices[index0];
         let x1 = vertices[index1];
diff --git a/src/mesh/webgl/MeshRenderer.js b/src/mesh/webgl/MeshRenderer.js
index 78d24c3..ab99fcd 100644
--- a/src/mesh/webgl/MeshRenderer.js
+++ b/src/mesh/webgl/MeshRenderer.js
@@ -2,6 +2,8 @@
 
 const byteSizeMap = { 5126: 4, 5123: 2, 5121: 1 };
 
+const matrixIdentity = core.Matrix.IDENTITY;
+
 /**
  * WebGL renderer plugin for tiling sprites
  *
@@ -64,6 +66,7 @@
         mesh.geometry.glVertexArrayObjects[this.CONTEXT_UID].draw(mesh.drawMode, mesh.size, mesh.start, mesh.geometry.instanceCount);
     }
 
+
     /**
      * draws mesh
      * @param {PIXI.mesh.RawMesh} mesh mesh instance
diff --git a/src/mesh/webgl/mesh.vert b/src/mesh/webgl/mesh.vert
index a337aef..acc096c 100644
--- a/src/mesh/webgl/mesh.vert
+++ b/src/mesh/webgl/mesh.vert
@@ -1,8 +1,9 @@
 attribute vec2 aVertexPosition;
 attribute vec2 aTextureCoord;
 
-uniform mat3 translationMatrix;
 uniform mat3 projectionMatrix;
+uniform mat3 translationMatrix;
+uniform mat3 uTransform;
 
 varying vec2 vTextureCoord;
 
@@ -10,5 +11,5 @@
 {
     gl_Position = vec4((projectionMatrix * translationMatrix * vec3(aVertexPosition, 1.0)).xy, 0.0, 1.0);
 
-    vTextureCoord = aTextureCoord;
+    vTextureCoord = (uTransform * vec3(aTextureCoord, 1.0)).xy;
 }
diff --git a/src/particles/ParticleContainer.js b/src/particles/ParticleContainer.js
index 67796cf..63f7791 100644
--- a/src/particles/ParticleContainer.js
+++ b/src/particles/ParticleContainer.js
@@ -313,10 +313,10 @@
                 frame.y * resolution,
                 frame.width * resolution,
                 frame.height * resolution,
-                positionX * resolution,
-                positionY * resolution,
-                finalWidth * resolution,
-                finalHeight * resolution
+                positionX * renderer.resolution,
+                positionY * renderer.resolution,
+                finalWidth * renderer.resolution,
+                finalHeight * renderer.resolution
             );
         }
     }
diff --git a/src/prepare/BasePrepare.js b/src/prepare/BasePrepare.js
index 09eb5e5..e45c4dc 100644
--- a/src/prepare/BasePrepare.js
+++ b/src/prepare/BasePrepare.js
@@ -18,6 +18,18 @@
  * basic queuing functionality and is extended by {@link PIXI.prepare.WebGLPrepare} and {@link PIXI.prepare.CanvasPrepare}
  * to provide preparation capabilities specific to their respective renderers.
  *
+ * @example
+ * // Create a sprite
+ * const sprite = new PIXI.Sprite.fromImage('something.png');
+ *
+ * // Load object into GPU
+ * app.renderer.plugins.prepare.upload(sprite, () => {
+ *
+ *     //Texture(s) has been uploaded to GPU
+ *     app.stage.addChild(sprite);
+ *
+ * })
+ *
  * @abstract
  * @class
  * @memberof PIXI.prepare
@@ -100,8 +112,16 @@
             this.prepareItems();
         };
 
-        this.register(findText, drawText);
-        this.register(findTextStyle, calculateTextStyle);
+        // hooks to find the correct texture
+        this.registerFindHook(findText);
+        this.registerFindHook(findTextStyle);
+        this.registerFindHook(findMultipleBaseTextures);
+        this.registerFindHook(findBaseTexture);
+        this.registerFindHook(findTexture);
+
+        // upload hooks
+        this.registerUploadHook(drawText);
+        this.registerUploadHook(calculateTextStyle);
     }
 
     /**
@@ -138,7 +158,7 @@
             if (!this.ticking)
             {
                 this.ticking = true;
-                SharedTicker.addOnce(this.tick, this);
+                SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
             }
         }
         else if (done)
@@ -172,13 +192,16 @@
             const item = this.queue[0];
             let uploaded = false;
 
-            for (let i = 0, len = this.uploadHooks.length; i < len; i++)
+            if (item && !item._destroyed)
             {
-                if (this.uploadHooks[i](this.uploadHookHelper, item))
+                for (let i = 0, len = this.uploadHooks.length; i < len; i++)
                 {
-                    this.queue.shift();
-                    uploaded = true;
-                    break;
+                    if (this.uploadHooks[i](this.uploadHookHelper, item))
+                    {
+                        this.queue.shift();
+                        uploaded = true;
+                        break;
+                    }
                 }
             }
 
@@ -205,26 +228,36 @@
         else
         {
             // if we are not finished, on the next rAF do this again
-            SharedTicker.addOnce(this.tick, this);
+            SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
         }
     }
 
     /**
-     * Adds hooks for finding and uploading items.
+     * Adds hooks for finding items.
      *
-     * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
-              function must return `true` if it was able to add item to the queue.
-     * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
-     *        function must return `true` if it was able to handle upload of item.
-     * @return {PIXI.CanvasPrepare} Instance of plugin for chaining.
+     * @param {Function} addHook - Function call that takes two parameters: `item:*, queue:Array`
+     *          function must return `true` if it was able to add item to the queue.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
      */
-    register(addHook, uploadHook)
+    registerFindHook(addHook)
     {
         if (addHook)
         {
             this.addHooks.push(addHook);
         }
 
+        return this;
+    }
+
+    /**
+     * Adds hooks for uploading items.
+     *
+     * @param {Function} uploadHook - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+     *          function must return `true` if it was able to handle upload of item.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+     */
+    registerUploadHook(uploadHook)
+    {
         if (uploadHook)
         {
             this.uploadHooks.push(uploadHook);
@@ -287,6 +320,88 @@
 }
 
 /**
+ * Built-in hook to find multiple textures from objects like AnimatedSprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findMultipleBaseTextures(item, queue)
+{
+    let result = false;
+
+    // Objects with mutliple textures
+    if (item && item._textures && item._textures.length)
+    {
+        for (let i = 0; i < item._textures.length; i++)
+        {
+            if (item._textures[i] instanceof core.Texture)
+            {
+                const baseTexture = item._textures[i].baseTexture;
+
+                if (queue.indexOf(baseTexture) === -1)
+                {
+                    queue.push(baseTexture);
+                    result = true;
+                }
+            }
+        }
+    }
+
+    return result;
+}
+
+/**
+ * Built-in hook to find BaseTextures from Sprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findBaseTexture(item, queue)
+{
+    // Objects with textures, like Sprites/Text
+    if (item instanceof core.BaseTexture)
+    {
+        if (queue.indexOf(item) === -1)
+        {
+            queue.push(item);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
+ * Built-in hook to find textures from objects.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findTexture(item, queue)
+{
+    if (item._texture && item._texture instanceof core.Texture)
+    {
+        const texture = item._texture.baseTexture;
+
+        if (queue.indexOf(texture) === -1)
+        {
+            queue.push(texture);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
  * Built-in hook to draw PIXI.Text to its texture.
  *
  * @private

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line
diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 02d53a3..449f8cc 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -30,7 +30,10 @@
         /**
          * When passed to an event handler, this will be the original DOM Event that was captured
          *
-         * @member {Event}
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+         * @member {MouseEvent|TouchEvent|PointerEvent}
          */
         this.originalEvent = null;
     }
diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 8baf13a..2d75c7c 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -13,6 +13,14 @@
 
 const MOUSE_POINTER_ID = 'MOUSE';
 
+// helpers for hitTest() - only used inside hitTest()
+const hitTestEvent = {
+    target: null,
+    data: {
+        global: null,
+    },
+};
+
 /**
  * The interaction manager deals with mouse, touch and pointer events. Any DisplayObject can be interactive
  * if its interactive parameter is set to true
@@ -245,67 +253,60 @@
         this.setTargetElement(this.renderer.view, this.renderer.resolution);
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed on the display
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display
          * object.
          *
-         * @event mousedown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * on the display object.
          *
-         * @event rightdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released over the display
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
          * object.
          *
-         * @event mouseup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is released
          * over the display object.
          *
-         * @event rightup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed and released on
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
          * the display object.
          *
-         * @event click
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * and released on the display object.
          *
-         * @event rightclick
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released outside the
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
          * display object that initially registered a
          * [mousedown]{@link PIXI.interaction.InteractionManager#event:mousedown}.
          *
-         * @event mouseupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
@@ -313,146 +314,362 @@
          * outside the display object that initially registered a
          * [rightdown]{@link PIXI.interaction.InteractionManager#event:rightdown}.
          *
-         * @event rightupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved while over the display object
          *
-         * @event mousemove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved onto the display object
          *
-         * @event mouseover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved off the display object
          *
-         * @event mouseout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed on the display object.
          *
-         * @event pointerdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released over the display object.
          *
-         * @event pointerup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a pointer event
          *
-         * @event pointercancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed and released on the display object.
          *
-         * @event pointertap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released outside the display object that initially
          * registered a [pointerdown]{@link PIXI.interaction.InteractionManager#event:pointerdown}.
          *
-         * @event pointerupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved while over the display object
          *
-         * @event pointermove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved onto the display object
          *
-         * @event pointerover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved off the display object
          *
-         * @event pointerout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed on the display object.
          *
-         * @event touchstart
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed from the display object.
          *
-         * @event touchend
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a touch
          *
-         * @event touchcancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed and removed from the display object.
          *
-         * @event tap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed outside of the display object that initially
          * registered a [touchstart]{@link PIXI.interaction.InteractionManager#event:touchstart}.
          *
-         * @event touchendoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is moved along the display object.
          *
-         * @event touchmove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display.
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * over the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
+         * the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * and released on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
+         * display object that initially registered a
+         * [mousedown]{@link PIXI.DisplayObject#event:mousedown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * outside the display object that initially registered a
+         * [rightdown]{@link PIXI.DisplayObject#event:rightdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a pointer event.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed and released on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released outside the display object that initially
+         * registered a [pointerdown]{@link PIXI.DisplayObject#event:pointerdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a touch.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed and removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed outside of the display object that initially
+         * registered a [touchstart]{@link PIXI.DisplayObject#event:touchstart}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is moved along the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+    }
+
+    /**
+     * Hit tests a point against the display tree, returning the first interactive object that is hit.
+     *
+     * @param {PIXI.Point} globalPoint - A point to hit test with, in global space.
+     * @param {PIXI.Container} [root] - The root display object to start from. If omitted, defaults
+     * to the last rendered root of the associated renderer.
+     * @return {PIXI.DisplayObject} The hit display object, if any.
+     */
+    hitTest(globalPoint, root)
+    {
+        // clear the target for our hit test
+        hitTestEvent.target = null;
+        // assign the global point
+        hitTestEvent.data.global = globalPoint;
+        // ensure safety of the root
+        if (!root)
+        {
+            root = this.renderer._lastObjectRendered;
+        }
+        // run the hit test
+        this.processInteractive(hitTestEvent, root, null, true);
+        // return our found object - it'll be null if we didn't hit anything
+
+        return hitTestEvent.target;
     }
 
     /**
@@ -487,7 +704,7 @@
             return;
         }
 
-        core.ticker.shared.add(this.update, this);
+        core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.INTERACTION);
 
         if (window.navigator.msPointerEnabled)
         {
@@ -804,8 +1021,6 @@
             }
         }
 
-        let keepHitTestingAfterChildren = hitTest;
-
         // ** FREE TIP **! If an object is not interactive or has no buttons in it
         // (such as a game scene!) set interactiveChildren to false for that displayObject.
         // This will allow pixi to completely ignore and bypass checking the displayObjects children.
@@ -818,7 +1033,9 @@
                 const child = children[i];
 
                 // time to get recursive.. if this function will return if something is hit..
-                if (this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent))
+                const childHit = this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent);
+
+                if (childHit)
                 {
                     // its a good idea to check if a child has lost its parent.
                     // this means it has been removed whilst looping so its best
@@ -827,8 +1044,6 @@
                         continue;
                     }
 
-                    hit = true;
-
                     // we no longer need to hit test any more objects in this container as we we
                     // now know the parent has been hit
                     interactiveParent = false;
@@ -838,36 +1053,41 @@
                     // This means we no longer need to hit test anything else. We still need to run
                     // through all objects, but we don't need to perform any hit tests.
 
-                    keepHitTestingAfterChildren = false;
-
-                    if (child.interactive)
+                    if (childHit)
                     {
-                        hitTest = false;
+                        if (interactionEvent.target)
+                        {
+                            hitTest = false;
+                        }
+                        hit = true;
                     }
-
-                    // we can break now as we have hit an object.
                 }
             }
         }
 
-        hitTest = keepHitTestingAfterChildren;
-
         // no point running this if the item is not interactive or does not have an interactive parent.
         if (interactive)
         {
             // if we are hit testing (as in we have no hit any objects yet)
             // We also don't need to worry about hit testing if once of the displayObjects children
-            // has already been hit!
-            if (hitTest && !hit)
+            // has already been hit - but only if it was interactive, otherwise we need to keep
+            // looking for an interactive child, just in case we hit one
+            if (hitTest && !interactionEvent.target)
             {
                 if (displayObject.hitArea)
                 {
                     displayObject.worldTransform.applyInverse(point, this._tempPoint);
-                    hit = displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y);
+                    if (displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y))
+                    {
+                        hit = true;
+                    }
                 }
                 else if (displayObject.containsPoint)
                 {
-                    hit = displayObject.containsPoint(point);
+                    if (displayObject.containsPoint(point))
+                    {
+                        hit = true;
+                    }
                 }
             }
 
@@ -878,7 +1098,10 @@
                     interactionEvent.target = displayObject;
                 }
 
-                func(interactionEvent, displayObject, hit);
+                if (func)
+                {
+                    func(interactionEvent, displayObject, !!hit);
+                }
             }
         }
 
@@ -914,7 +1137,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -998,7 +1221,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1098,7 +1321,7 @@
 
             const test = isRightButton ? flags.RIGHT_DOWN : flags.LEFT_DOWN;
 
-            const isDown = trackingData !== undefined && (trackingData.flags | test);
+            const isDown = trackingData !== undefined && (trackingData.flags & test);
 
             if (hit)
             {
@@ -1118,11 +1341,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }
@@ -1180,7 +1403,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1255,7 +1478,7 @@
             this.setCursorMode(null);
         }
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1268,6 +1491,12 @@
         {
             this.emit('mouseout', interactionEvent);
         }
+        else
+        {
+            // we can get touchleave events after touchend, so we want to make sure we don't
+            // introduce memory leaks
+            this.releaseInteractionDataForPointerId(interactionData.identifier);
+        }
     }
 
     /**
@@ -1344,7 +1573,7 @@
         // Only mouse and pointer can call onPointerOver, so events will always be length 1
         const event = events[0];
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1366,12 +1595,14 @@
      * Get InteractionData for a given pointerId. Store that data as well
      *
      * @private
-     * @param {number} pointerId - Identifier from a pointer event
+     * @param {PointerEvent} event - Normalized pointer event, output from normalizeToPointerData
      * @return {InteractionData} - Interaction data for the given pointer identifier
      */
-    getInteractionDataForPointerId(pointerId)
+    getInteractionDataForPointerId(event)
     {
-        if (pointerId === MOUSE_POINTER_ID)
+        const pointerId = event.pointerId;
+
+        if (pointerId === MOUSE_POINTER_ID || event.pointerType === 'mouse')
         {
             return this.mouse;
         }
diff --git a/src/interaction/InteractionTrackingData.js b/src/interaction/InteractionTrackingData.js
index 6a1f69e..8493b63 100644
--- a/src/interaction/InteractionTrackingData.js
+++ b/src/interaction/InteractionTrackingData.js
@@ -35,8 +35,10 @@
     }
 
     /**
+     * Unique pointer id of the event
+     *
      * @readonly
-     * @type {number} Unique pointer id of the event
+     * @member {number}
      */
     get pointerId()
     {
diff --git a/src/interaction/index.js b/src/interaction/index.js
index 56c5b09..72f7d71 100644
--- a/src/interaction/index.js
+++ b/src/interaction/index.js
@@ -1,4 +1,8 @@
 /**
+ * This namespace contains a renderer plugin for handling mouse, pointer, and touch events.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.interaction
  */
 export { default as InteractionData } from './InteractionData';
diff --git a/src/interaction/interactiveTarget.js b/src/interaction/interactiveTarget.js
index d252fba..cebac40 100644
--- a/src/interaction/interactiveTarget.js
+++ b/src/interaction/interactiveTarget.js
@@ -2,7 +2,7 @@
  * Default property values of interactive objects
  * Used by {@link PIXI.interaction.InteractionManager} to automatically give all DisplayObjects these properties
  *
- * @mixin
+ * @private
  * @name interactiveTarget
  * @memberof PIXI.interaction
  * @example
@@ -14,18 +14,28 @@
  *      );
  */
 export default {
+
     /**
-     * Determines if the displayObject be clicked/touched
+     * Enable interaction events for the DisplayObject. Touch, pointer and mouse
+     * events will not be emitted unless `interactive` is set to `true`.
      *
-     * @inner {boolean}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.on('tap', (event) => {
+     *    //handle event
+     * });
+     * @member {boolean}
+     * @memberof PIXI.DisplayObject#
      */
     interactive: false,
 
     /**
      * Determines if the children to the displayObject can be clicked/touched
-     * Setting this to false allows pixi to bypass a recursive hitTest function
+     * Setting this to false allows pixi to bypass a recursive `hitTest` function
      *
-     * @inner {boolean}
+     * @member {boolean}
+     * @memberof PIXI.Container#
      */
     interactiveChildren: true,
 
@@ -33,7 +43,12 @@
      * Interaction shape. Children will be hit first, then this shape will be checked.
      * Setting this will cause this shape to be checked in hit tests rather than the displayObject's bounds.
      *
-     * @inner {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.hitArea = new PIXI.Rectangle(0, 0, 100, 100);
+     * @member {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @memberof PIXI.DisplayObject#
      */
     hitArea: null,
 
@@ -41,8 +56,12 @@
      * If enabled, the mouse cursor use the pointer behavior when hovered over the displayObject if it is interactive
      * Setting this changes the 'cursor' property to `'pointer'`.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.buttonMode = true;
      * @member {boolean}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      */
     get buttonMode()
     {
@@ -64,9 +83,14 @@
      * This defines what cursor mode is used when the mouse cursor
      * is hovered over the displayObject.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.cursor = 'wait';
      * @see https://developer.mozilla.org/en/docs/Web/CSS/cursor
      *
-     * @inner {string}
+     * @member {string}
+     * @memberof PIXI.DisplayObject#
      */
     cursor: null,
 
@@ -74,7 +98,7 @@
      * Internal set of all active pointers, by identifier
      *
      * @member {Map<number, InteractionTrackingData>}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      * @private
      */
     get trackedPointers()
@@ -87,7 +111,8 @@
     /**
      * Map of all tracked pointers, by identifier. Use trackedPointers to access.
      *
-     * @private {Map<number, InteractionTrackingData>}
+     * @private
+     * @type {Map<number, InteractionTrackingData>}
      */
     _trackedPointers: undefined,
 };
diff --git a/src/loaders/index.js b/src/loaders/index.js
index 5189793..daa1fc4 100644
--- a/src/loaders/index.js
+++ b/src/loaders/index.js
@@ -1,9 +1,22 @@
+import Application from '../core/Application';
+import Loader from './loader';
+
 /**
+ * This namespace contains APIs which extends the {@link https://github.com/englercj/resource-loader resource-loader} module
+ * for loading assets, data, and other resources dynamically.
+ * @example
+ * const loader = new PIXI.loaders.Loader();
+ * loader.add('bunny', 'data/bunny.png')
+ *       .add('spaceship', 'assets/spritesheet.json');
+ * loader.load((loader, resources) => {
+ *    // resources.bunny
+ *    // resources.spaceship
+ * });
  * @namespace PIXI.loaders
  */
-export { default as Loader } from './loader';
+export { Loader };
 export { default as bitmapFontParser, parse as parseBitmapFontData } from './bitmapFontParser';
-export { default as spritesheetParser } from './spritesheetParser';
+export { default as spritesheetParser, getResourcePath } from './spritesheetParser';
 export { default as textureParser } from './textureParser';
 
 /**
@@ -13,3 +26,55 @@
  * @memberof PIXI.loaders
  */
 export { Resource } from 'resource-loader';
+
+/**
+ * A premade instance of the loader that can be used to load resources.
+ * @name shared
+ * @memberof PIXI.loaders
+ * @type {PIXI.loaders.Loader}
+ */
+const shared = new Loader();
+
+shared.destroy = () =>
+{
+    // protect destroying shared loader
+};
+
+export { shared };
+
+// Mixin the loader construction
+const AppPrototype = Application.prototype;
+
+AppPrototype._loader = null;
+
+/**
+ * Loader instance to help with asset loading.
+ * @name PIXI.Application#loader
+ * @type {PIXI.loaders.Loader}
+ */
+Object.defineProperty(AppPrototype, 'loader', {
+    get()
+    {
+        if (!this._loader)
+        {
+            const sharedLoader = this._options.sharedLoader;
+
+            this._loader = sharedLoader ? shared : new Loader();
+        }
+
+        return this._loader;
+    },
+});
+
+// Override the destroy function
+// making sure to destroy the current Loader
+AppPrototype._parentDestroy = AppPrototype.destroy;
+AppPrototype.destroy = function destroy()
+{
+    if (this._loader)
+    {
+        this._loader.destroy();
+        this._loader = null;
+    }
+    this._parentDestroy();
+};
diff --git a/src/loaders/loader.js b/src/loaders/loader.js
index 767a411..59b8000 100644
--- a/src/loaders/loader.js
+++ b/src/loaders/loader.js
@@ -90,6 +90,15 @@
     {
         Loader._pixiMiddleware.push(fn);
     }
+
+    /**
+     * Destroy the loader, removes references.
+     */
+    destroy()
+    {
+        this.removeAllListeners();
+        this.reset();
+    }
 }
 
 // Copy EE3 prototype (mixin)
diff --git a/src/loaders/spritesheetParser.js b/src/loaders/spritesheetParser.js
index e57dfb2..eda9584 100644
--- a/src/loaders/spritesheetParser.js
+++ b/src/loaders/spritesheetParser.js
@@ -1,12 +1,11 @@
 import { Resource } from 'resource-loader';
-import path from 'path';
+import url from 'url';
 import { Spritesheet } from '../core';
 
 export default function ()
 {
     return function spritesheetParser(resource, next)
     {
-        let resourcePath;
         const imageResourceName = `${resource.name}_image`;
 
         // skip if no data, its not json, it isn't spritesheet data, or the image resource already exists
@@ -28,15 +27,7 @@
             parentResource: resource,
         };
 
-        // Prepend url path unless the resource image is a data url
-        if (resource.isDataUrl)
-        {
-            resourcePath = resource.data.meta.image;
-        }
-        else
-        {
-            resourcePath = `${path.dirname(resource.url.replace(this.baseUrl, ''))}/${resource.data.meta.image}`;
-        }
+        const resourcePath = getResourcePath(resource, this.baseUrl);
 
         // load the image for this sheet
         this.add(imageResourceName, resourcePath, loadOptions, function onImageLoad(res)
@@ -56,3 +47,14 @@
         });
     };
 }
+
+export function getResourcePath(resource, baseUrl)
+{
+    // Prepend url path unless the resource image is a data url
+    if (resource.isDataUrl)
+    {
+        return resource.data.meta.image;
+    }
+
+    return url.resolve(resource.url.replace(baseUrl, ''), resource.data.meta.image);
+}
diff --git a/src/mesh/canvas/CanvasMeshRenderer.js b/src/mesh/canvas/CanvasMeshRenderer.js
index 297205f..f7899e1 100644
--- a/src/mesh/canvas/CanvasMeshRenderer.js
+++ b/src/mesh/canvas/CanvasMeshRenderer.js
@@ -134,12 +134,33 @@
         const textureWidth = base.width;
         const textureHeight = base.height;
 
-        const u0 = uvs[index0] * base.width;
-        const u1 = uvs[index1] * base.width;
-        const u2 = uvs[index2] * base.width;
-        const v0 = uvs[index0 + 1] * base.height;
-        const v1 = uvs[index1 + 1] * base.height;
-        const v2 = uvs[index2 + 1] * base.height;
+        let u0;
+        let u1;
+        let u2;
+        let v0;
+        let v1;
+        let v2;
+
+        if (mesh.uploadUvTransform)
+        {
+            const ut = mesh._uvTransform.mapCoord;
+
+            u0 = ((uvs[index0] * ut.a) + (uvs[index0 + 1] * ut.c) + ut.tx) * base.width;
+            u1 = ((uvs[index1] * ut.a) + (uvs[index1 + 1] * ut.c) + ut.tx) * base.width;
+            u2 = ((uvs[index2] * ut.a) + (uvs[index2 + 1] * ut.c) + ut.tx) * base.width;
+            v0 = ((uvs[index0] * ut.b) + (uvs[index0 + 1] * ut.d) + ut.ty) * base.height;
+            v1 = ((uvs[index1] * ut.b) + (uvs[index1 + 1] * ut.d) + ut.ty) * base.height;
+            v2 = ((uvs[index2] * ut.b) + (uvs[index2 + 1] * ut.d) + ut.ty) * base.height;
+        }
+        else
+        {
+            u0 = uvs[index0] * base.width;
+            u1 = uvs[index1] * base.width;
+            u2 = uvs[index2] * base.width;
+            v0 = uvs[index0 + 1] * base.height;
+            v1 = uvs[index1 + 1] * base.height;
+            v2 = uvs[index2 + 1] * base.height;
+        }
 
         let x0 = vertices[index0];
         let x1 = vertices[index1];
diff --git a/src/mesh/webgl/MeshRenderer.js b/src/mesh/webgl/MeshRenderer.js
index 78d24c3..ab99fcd 100644
--- a/src/mesh/webgl/MeshRenderer.js
+++ b/src/mesh/webgl/MeshRenderer.js
@@ -2,6 +2,8 @@
 
 const byteSizeMap = { 5126: 4, 5123: 2, 5121: 1 };
 
+const matrixIdentity = core.Matrix.IDENTITY;
+
 /**
  * WebGL renderer plugin for tiling sprites
  *
@@ -64,6 +66,7 @@
         mesh.geometry.glVertexArrayObjects[this.CONTEXT_UID].draw(mesh.drawMode, mesh.size, mesh.start, mesh.geometry.instanceCount);
     }
 
+
     /**
      * draws mesh
      * @param {PIXI.mesh.RawMesh} mesh mesh instance
diff --git a/src/mesh/webgl/mesh.vert b/src/mesh/webgl/mesh.vert
index a337aef..acc096c 100644
--- a/src/mesh/webgl/mesh.vert
+++ b/src/mesh/webgl/mesh.vert
@@ -1,8 +1,9 @@
 attribute vec2 aVertexPosition;
 attribute vec2 aTextureCoord;
 
-uniform mat3 translationMatrix;
 uniform mat3 projectionMatrix;
+uniform mat3 translationMatrix;
+uniform mat3 uTransform;
 
 varying vec2 vTextureCoord;
 
@@ -10,5 +11,5 @@
 {
     gl_Position = vec4((projectionMatrix * translationMatrix * vec3(aVertexPosition, 1.0)).xy, 0.0, 1.0);
 
-    vTextureCoord = aTextureCoord;
+    vTextureCoord = (uTransform * vec3(aTextureCoord, 1.0)).xy;
 }
diff --git a/src/particles/ParticleContainer.js b/src/particles/ParticleContainer.js
index 67796cf..63f7791 100644
--- a/src/particles/ParticleContainer.js
+++ b/src/particles/ParticleContainer.js
@@ -313,10 +313,10 @@
                 frame.y * resolution,
                 frame.width * resolution,
                 frame.height * resolution,
-                positionX * resolution,
-                positionY * resolution,
-                finalWidth * resolution,
-                finalHeight * resolution
+                positionX * renderer.resolution,
+                positionY * renderer.resolution,
+                finalWidth * renderer.resolution,
+                finalHeight * renderer.resolution
             );
         }
     }
diff --git a/src/prepare/BasePrepare.js b/src/prepare/BasePrepare.js
index 09eb5e5..e45c4dc 100644
--- a/src/prepare/BasePrepare.js
+++ b/src/prepare/BasePrepare.js
@@ -18,6 +18,18 @@
  * basic queuing functionality and is extended by {@link PIXI.prepare.WebGLPrepare} and {@link PIXI.prepare.CanvasPrepare}
  * to provide preparation capabilities specific to their respective renderers.
  *
+ * @example
+ * // Create a sprite
+ * const sprite = new PIXI.Sprite.fromImage('something.png');
+ *
+ * // Load object into GPU
+ * app.renderer.plugins.prepare.upload(sprite, () => {
+ *
+ *     //Texture(s) has been uploaded to GPU
+ *     app.stage.addChild(sprite);
+ *
+ * })
+ *
  * @abstract
  * @class
  * @memberof PIXI.prepare
@@ -100,8 +112,16 @@
             this.prepareItems();
         };
 
-        this.register(findText, drawText);
-        this.register(findTextStyle, calculateTextStyle);
+        // hooks to find the correct texture
+        this.registerFindHook(findText);
+        this.registerFindHook(findTextStyle);
+        this.registerFindHook(findMultipleBaseTextures);
+        this.registerFindHook(findBaseTexture);
+        this.registerFindHook(findTexture);
+
+        // upload hooks
+        this.registerUploadHook(drawText);
+        this.registerUploadHook(calculateTextStyle);
     }
 
     /**
@@ -138,7 +158,7 @@
             if (!this.ticking)
             {
                 this.ticking = true;
-                SharedTicker.addOnce(this.tick, this);
+                SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
             }
         }
         else if (done)
@@ -172,13 +192,16 @@
             const item = this.queue[0];
             let uploaded = false;
 
-            for (let i = 0, len = this.uploadHooks.length; i < len; i++)
+            if (item && !item._destroyed)
             {
-                if (this.uploadHooks[i](this.uploadHookHelper, item))
+                for (let i = 0, len = this.uploadHooks.length; i < len; i++)
                 {
-                    this.queue.shift();
-                    uploaded = true;
-                    break;
+                    if (this.uploadHooks[i](this.uploadHookHelper, item))
+                    {
+                        this.queue.shift();
+                        uploaded = true;
+                        break;
+                    }
                 }
             }
 
@@ -205,26 +228,36 @@
         else
         {
             // if we are not finished, on the next rAF do this again
-            SharedTicker.addOnce(this.tick, this);
+            SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
         }
     }
 
     /**
-     * Adds hooks for finding and uploading items.
+     * Adds hooks for finding items.
      *
-     * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
-              function must return `true` if it was able to add item to the queue.
-     * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
-     *        function must return `true` if it was able to handle upload of item.
-     * @return {PIXI.CanvasPrepare} Instance of plugin for chaining.
+     * @param {Function} addHook - Function call that takes two parameters: `item:*, queue:Array`
+     *          function must return `true` if it was able to add item to the queue.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
      */
-    register(addHook, uploadHook)
+    registerFindHook(addHook)
     {
         if (addHook)
         {
             this.addHooks.push(addHook);
         }
 
+        return this;
+    }
+
+    /**
+     * Adds hooks for uploading items.
+     *
+     * @param {Function} uploadHook - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+     *          function must return `true` if it was able to handle upload of item.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+     */
+    registerUploadHook(uploadHook)
+    {
         if (uploadHook)
         {
             this.uploadHooks.push(uploadHook);
@@ -287,6 +320,88 @@
 }
 
 /**
+ * Built-in hook to find multiple textures from objects like AnimatedSprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findMultipleBaseTextures(item, queue)
+{
+    let result = false;
+
+    // Objects with mutliple textures
+    if (item && item._textures && item._textures.length)
+    {
+        for (let i = 0; i < item._textures.length; i++)
+        {
+            if (item._textures[i] instanceof core.Texture)
+            {
+                const baseTexture = item._textures[i].baseTexture;
+
+                if (queue.indexOf(baseTexture) === -1)
+                {
+                    queue.push(baseTexture);
+                    result = true;
+                }
+            }
+        }
+    }
+
+    return result;
+}
+
+/**
+ * Built-in hook to find BaseTextures from Sprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findBaseTexture(item, queue)
+{
+    // Objects with textures, like Sprites/Text
+    if (item instanceof core.BaseTexture)
+    {
+        if (queue.indexOf(item) === -1)
+        {
+            queue.push(item);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
+ * Built-in hook to find textures from objects.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findTexture(item, queue)
+{
+    if (item._texture && item._texture instanceof core.Texture)
+    {
+        const texture = item._texture.baseTexture;
+
+        if (queue.indexOf(texture) === -1)
+        {
+            queue.push(texture);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
  * Built-in hook to draw PIXI.Text to its texture.
  *
  * @private
diff --git a/src/prepare/canvas/CanvasPrepare.js b/src/prepare/canvas/CanvasPrepare.js
index 0224bb5..09c207a 100644
--- a/src/prepare/canvas/CanvasPrepare.js
+++ b/src/prepare/canvas/CanvasPrepare.js
@@ -43,7 +43,7 @@
         this.ctx = this.canvas.getContext('2d');
 
         // Add textures to upload
-        this.register(findBaseTextures, uploadBaseTextures);
+        this.registerUploadHook(uploadBaseTextures);
     }
 
     /**
@@ -89,39 +89,4 @@
     return false;
 }
 
-/**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item  -Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
 core.CanvasRenderer.registerPlugin('prepare', CanvasPrepare);

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line
diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 02d53a3..449f8cc 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -30,7 +30,10 @@
         /**
          * When passed to an event handler, this will be the original DOM Event that was captured
          *
-         * @member {Event}
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+         * @member {MouseEvent|TouchEvent|PointerEvent}
          */
         this.originalEvent = null;
     }
diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 8baf13a..2d75c7c 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -13,6 +13,14 @@
 
 const MOUSE_POINTER_ID = 'MOUSE';
 
+// helpers for hitTest() - only used inside hitTest()
+const hitTestEvent = {
+    target: null,
+    data: {
+        global: null,
+    },
+};
+
 /**
  * The interaction manager deals with mouse, touch and pointer events. Any DisplayObject can be interactive
  * if its interactive parameter is set to true
@@ -245,67 +253,60 @@
         this.setTargetElement(this.renderer.view, this.renderer.resolution);
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed on the display
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display
          * object.
          *
-         * @event mousedown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * on the display object.
          *
-         * @event rightdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released over the display
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
          * object.
          *
-         * @event mouseup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is released
          * over the display object.
          *
-         * @event rightup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed and released on
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
          * the display object.
          *
-         * @event click
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * and released on the display object.
          *
-         * @event rightclick
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released outside the
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
          * display object that initially registered a
          * [mousedown]{@link PIXI.interaction.InteractionManager#event:mousedown}.
          *
-         * @event mouseupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
@@ -313,146 +314,362 @@
          * outside the display object that initially registered a
          * [rightdown]{@link PIXI.interaction.InteractionManager#event:rightdown}.
          *
-         * @event rightupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved while over the display object
          *
-         * @event mousemove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved onto the display object
          *
-         * @event mouseover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved off the display object
          *
-         * @event mouseout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed on the display object.
          *
-         * @event pointerdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released over the display object.
          *
-         * @event pointerup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a pointer event
          *
-         * @event pointercancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed and released on the display object.
          *
-         * @event pointertap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released outside the display object that initially
          * registered a [pointerdown]{@link PIXI.interaction.InteractionManager#event:pointerdown}.
          *
-         * @event pointerupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved while over the display object
          *
-         * @event pointermove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved onto the display object
          *
-         * @event pointerover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved off the display object
          *
-         * @event pointerout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed on the display object.
          *
-         * @event touchstart
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed from the display object.
          *
-         * @event touchend
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a touch
          *
-         * @event touchcancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed and removed from the display object.
          *
-         * @event tap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed outside of the display object that initially
          * registered a [touchstart]{@link PIXI.interaction.InteractionManager#event:touchstart}.
          *
-         * @event touchendoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is moved along the display object.
          *
-         * @event touchmove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display.
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * over the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
+         * the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * and released on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
+         * display object that initially registered a
+         * [mousedown]{@link PIXI.DisplayObject#event:mousedown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * outside the display object that initially registered a
+         * [rightdown]{@link PIXI.DisplayObject#event:rightdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a pointer event.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed and released on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released outside the display object that initially
+         * registered a [pointerdown]{@link PIXI.DisplayObject#event:pointerdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a touch.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed and removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed outside of the display object that initially
+         * registered a [touchstart]{@link PIXI.DisplayObject#event:touchstart}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is moved along the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+    }
+
+    /**
+     * Hit tests a point against the display tree, returning the first interactive object that is hit.
+     *
+     * @param {PIXI.Point} globalPoint - A point to hit test with, in global space.
+     * @param {PIXI.Container} [root] - The root display object to start from. If omitted, defaults
+     * to the last rendered root of the associated renderer.
+     * @return {PIXI.DisplayObject} The hit display object, if any.
+     */
+    hitTest(globalPoint, root)
+    {
+        // clear the target for our hit test
+        hitTestEvent.target = null;
+        // assign the global point
+        hitTestEvent.data.global = globalPoint;
+        // ensure safety of the root
+        if (!root)
+        {
+            root = this.renderer._lastObjectRendered;
+        }
+        // run the hit test
+        this.processInteractive(hitTestEvent, root, null, true);
+        // return our found object - it'll be null if we didn't hit anything
+
+        return hitTestEvent.target;
     }
 
     /**
@@ -487,7 +704,7 @@
             return;
         }
 
-        core.ticker.shared.add(this.update, this);
+        core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.INTERACTION);
 
         if (window.navigator.msPointerEnabled)
         {
@@ -804,8 +1021,6 @@
             }
         }
 
-        let keepHitTestingAfterChildren = hitTest;
-
         // ** FREE TIP **! If an object is not interactive or has no buttons in it
         // (such as a game scene!) set interactiveChildren to false for that displayObject.
         // This will allow pixi to completely ignore and bypass checking the displayObjects children.
@@ -818,7 +1033,9 @@
                 const child = children[i];
 
                 // time to get recursive.. if this function will return if something is hit..
-                if (this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent))
+                const childHit = this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent);
+
+                if (childHit)
                 {
                     // its a good idea to check if a child has lost its parent.
                     // this means it has been removed whilst looping so its best
@@ -827,8 +1044,6 @@
                         continue;
                     }
 
-                    hit = true;
-
                     // we no longer need to hit test any more objects in this container as we we
                     // now know the parent has been hit
                     interactiveParent = false;
@@ -838,36 +1053,41 @@
                     // This means we no longer need to hit test anything else. We still need to run
                     // through all objects, but we don't need to perform any hit tests.
 
-                    keepHitTestingAfterChildren = false;
-
-                    if (child.interactive)
+                    if (childHit)
                     {
-                        hitTest = false;
+                        if (interactionEvent.target)
+                        {
+                            hitTest = false;
+                        }
+                        hit = true;
                     }
-
-                    // we can break now as we have hit an object.
                 }
             }
         }
 
-        hitTest = keepHitTestingAfterChildren;
-
         // no point running this if the item is not interactive or does not have an interactive parent.
         if (interactive)
         {
             // if we are hit testing (as in we have no hit any objects yet)
             // We also don't need to worry about hit testing if once of the displayObjects children
-            // has already been hit!
-            if (hitTest && !hit)
+            // has already been hit - but only if it was interactive, otherwise we need to keep
+            // looking for an interactive child, just in case we hit one
+            if (hitTest && !interactionEvent.target)
             {
                 if (displayObject.hitArea)
                 {
                     displayObject.worldTransform.applyInverse(point, this._tempPoint);
-                    hit = displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y);
+                    if (displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y))
+                    {
+                        hit = true;
+                    }
                 }
                 else if (displayObject.containsPoint)
                 {
-                    hit = displayObject.containsPoint(point);
+                    if (displayObject.containsPoint(point))
+                    {
+                        hit = true;
+                    }
                 }
             }
 
@@ -878,7 +1098,10 @@
                     interactionEvent.target = displayObject;
                 }
 
-                func(interactionEvent, displayObject, hit);
+                if (func)
+                {
+                    func(interactionEvent, displayObject, !!hit);
+                }
             }
         }
 
@@ -914,7 +1137,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -998,7 +1221,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1098,7 +1321,7 @@
 
             const test = isRightButton ? flags.RIGHT_DOWN : flags.LEFT_DOWN;
 
-            const isDown = trackingData !== undefined && (trackingData.flags | test);
+            const isDown = trackingData !== undefined && (trackingData.flags & test);
 
             if (hit)
             {
@@ -1118,11 +1341,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }
@@ -1180,7 +1403,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1255,7 +1478,7 @@
             this.setCursorMode(null);
         }
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1268,6 +1491,12 @@
         {
             this.emit('mouseout', interactionEvent);
         }
+        else
+        {
+            // we can get touchleave events after touchend, so we want to make sure we don't
+            // introduce memory leaks
+            this.releaseInteractionDataForPointerId(interactionData.identifier);
+        }
     }
 
     /**
@@ -1344,7 +1573,7 @@
         // Only mouse and pointer can call onPointerOver, so events will always be length 1
         const event = events[0];
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1366,12 +1595,14 @@
      * Get InteractionData for a given pointerId. Store that data as well
      *
      * @private
-     * @param {number} pointerId - Identifier from a pointer event
+     * @param {PointerEvent} event - Normalized pointer event, output from normalizeToPointerData
      * @return {InteractionData} - Interaction data for the given pointer identifier
      */
-    getInteractionDataForPointerId(pointerId)
+    getInteractionDataForPointerId(event)
     {
-        if (pointerId === MOUSE_POINTER_ID)
+        const pointerId = event.pointerId;
+
+        if (pointerId === MOUSE_POINTER_ID || event.pointerType === 'mouse')
         {
             return this.mouse;
         }
diff --git a/src/interaction/InteractionTrackingData.js b/src/interaction/InteractionTrackingData.js
index 6a1f69e..8493b63 100644
--- a/src/interaction/InteractionTrackingData.js
+++ b/src/interaction/InteractionTrackingData.js
@@ -35,8 +35,10 @@
     }
 
     /**
+     * Unique pointer id of the event
+     *
      * @readonly
-     * @type {number} Unique pointer id of the event
+     * @member {number}
      */
     get pointerId()
     {
diff --git a/src/interaction/index.js b/src/interaction/index.js
index 56c5b09..72f7d71 100644
--- a/src/interaction/index.js
+++ b/src/interaction/index.js
@@ -1,4 +1,8 @@
 /**
+ * This namespace contains a renderer plugin for handling mouse, pointer, and touch events.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.interaction
  */
 export { default as InteractionData } from './InteractionData';
diff --git a/src/interaction/interactiveTarget.js b/src/interaction/interactiveTarget.js
index d252fba..cebac40 100644
--- a/src/interaction/interactiveTarget.js
+++ b/src/interaction/interactiveTarget.js
@@ -2,7 +2,7 @@
  * Default property values of interactive objects
  * Used by {@link PIXI.interaction.InteractionManager} to automatically give all DisplayObjects these properties
  *
- * @mixin
+ * @private
  * @name interactiveTarget
  * @memberof PIXI.interaction
  * @example
@@ -14,18 +14,28 @@
  *      );
  */
 export default {
+
     /**
-     * Determines if the displayObject be clicked/touched
+     * Enable interaction events for the DisplayObject. Touch, pointer and mouse
+     * events will not be emitted unless `interactive` is set to `true`.
      *
-     * @inner {boolean}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.on('tap', (event) => {
+     *    //handle event
+     * });
+     * @member {boolean}
+     * @memberof PIXI.DisplayObject#
      */
     interactive: false,
 
     /**
      * Determines if the children to the displayObject can be clicked/touched
-     * Setting this to false allows pixi to bypass a recursive hitTest function
+     * Setting this to false allows pixi to bypass a recursive `hitTest` function
      *
-     * @inner {boolean}
+     * @member {boolean}
+     * @memberof PIXI.Container#
      */
     interactiveChildren: true,
 
@@ -33,7 +43,12 @@
      * Interaction shape. Children will be hit first, then this shape will be checked.
      * Setting this will cause this shape to be checked in hit tests rather than the displayObject's bounds.
      *
-     * @inner {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.hitArea = new PIXI.Rectangle(0, 0, 100, 100);
+     * @member {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @memberof PIXI.DisplayObject#
      */
     hitArea: null,
 
@@ -41,8 +56,12 @@
      * If enabled, the mouse cursor use the pointer behavior when hovered over the displayObject if it is interactive
      * Setting this changes the 'cursor' property to `'pointer'`.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.buttonMode = true;
      * @member {boolean}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      */
     get buttonMode()
     {
@@ -64,9 +83,14 @@
      * This defines what cursor mode is used when the mouse cursor
      * is hovered over the displayObject.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.cursor = 'wait';
      * @see https://developer.mozilla.org/en/docs/Web/CSS/cursor
      *
-     * @inner {string}
+     * @member {string}
+     * @memberof PIXI.DisplayObject#
      */
     cursor: null,
 
@@ -74,7 +98,7 @@
      * Internal set of all active pointers, by identifier
      *
      * @member {Map<number, InteractionTrackingData>}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      * @private
      */
     get trackedPointers()
@@ -87,7 +111,8 @@
     /**
      * Map of all tracked pointers, by identifier. Use trackedPointers to access.
      *
-     * @private {Map<number, InteractionTrackingData>}
+     * @private
+     * @type {Map<number, InteractionTrackingData>}
      */
     _trackedPointers: undefined,
 };
diff --git a/src/loaders/index.js b/src/loaders/index.js
index 5189793..daa1fc4 100644
--- a/src/loaders/index.js
+++ b/src/loaders/index.js
@@ -1,9 +1,22 @@
+import Application from '../core/Application';
+import Loader from './loader';
+
 /**
+ * This namespace contains APIs which extends the {@link https://github.com/englercj/resource-loader resource-loader} module
+ * for loading assets, data, and other resources dynamically.
+ * @example
+ * const loader = new PIXI.loaders.Loader();
+ * loader.add('bunny', 'data/bunny.png')
+ *       .add('spaceship', 'assets/spritesheet.json');
+ * loader.load((loader, resources) => {
+ *    // resources.bunny
+ *    // resources.spaceship
+ * });
  * @namespace PIXI.loaders
  */
-export { default as Loader } from './loader';
+export { Loader };
 export { default as bitmapFontParser, parse as parseBitmapFontData } from './bitmapFontParser';
-export { default as spritesheetParser } from './spritesheetParser';
+export { default as spritesheetParser, getResourcePath } from './spritesheetParser';
 export { default as textureParser } from './textureParser';
 
 /**
@@ -13,3 +26,55 @@
  * @memberof PIXI.loaders
  */
 export { Resource } from 'resource-loader';
+
+/**
+ * A premade instance of the loader that can be used to load resources.
+ * @name shared
+ * @memberof PIXI.loaders
+ * @type {PIXI.loaders.Loader}
+ */
+const shared = new Loader();
+
+shared.destroy = () =>
+{
+    // protect destroying shared loader
+};
+
+export { shared };
+
+// Mixin the loader construction
+const AppPrototype = Application.prototype;
+
+AppPrototype._loader = null;
+
+/**
+ * Loader instance to help with asset loading.
+ * @name PIXI.Application#loader
+ * @type {PIXI.loaders.Loader}
+ */
+Object.defineProperty(AppPrototype, 'loader', {
+    get()
+    {
+        if (!this._loader)
+        {
+            const sharedLoader = this._options.sharedLoader;
+
+            this._loader = sharedLoader ? shared : new Loader();
+        }
+
+        return this._loader;
+    },
+});
+
+// Override the destroy function
+// making sure to destroy the current Loader
+AppPrototype._parentDestroy = AppPrototype.destroy;
+AppPrototype.destroy = function destroy()
+{
+    if (this._loader)
+    {
+        this._loader.destroy();
+        this._loader = null;
+    }
+    this._parentDestroy();
+};
diff --git a/src/loaders/loader.js b/src/loaders/loader.js
index 767a411..59b8000 100644
--- a/src/loaders/loader.js
+++ b/src/loaders/loader.js
@@ -90,6 +90,15 @@
     {
         Loader._pixiMiddleware.push(fn);
     }
+
+    /**
+     * Destroy the loader, removes references.
+     */
+    destroy()
+    {
+        this.removeAllListeners();
+        this.reset();
+    }
 }
 
 // Copy EE3 prototype (mixin)
diff --git a/src/loaders/spritesheetParser.js b/src/loaders/spritesheetParser.js
index e57dfb2..eda9584 100644
--- a/src/loaders/spritesheetParser.js
+++ b/src/loaders/spritesheetParser.js
@@ -1,12 +1,11 @@
 import { Resource } from 'resource-loader';
-import path from 'path';
+import url from 'url';
 import { Spritesheet } from '../core';
 
 export default function ()
 {
     return function spritesheetParser(resource, next)
     {
-        let resourcePath;
         const imageResourceName = `${resource.name}_image`;
 
         // skip if no data, its not json, it isn't spritesheet data, or the image resource already exists
@@ -28,15 +27,7 @@
             parentResource: resource,
         };
 
-        // Prepend url path unless the resource image is a data url
-        if (resource.isDataUrl)
-        {
-            resourcePath = resource.data.meta.image;
-        }
-        else
-        {
-            resourcePath = `${path.dirname(resource.url.replace(this.baseUrl, ''))}/${resource.data.meta.image}`;
-        }
+        const resourcePath = getResourcePath(resource, this.baseUrl);
 
         // load the image for this sheet
         this.add(imageResourceName, resourcePath, loadOptions, function onImageLoad(res)
@@ -56,3 +47,14 @@
         });
     };
 }
+
+export function getResourcePath(resource, baseUrl)
+{
+    // Prepend url path unless the resource image is a data url
+    if (resource.isDataUrl)
+    {
+        return resource.data.meta.image;
+    }
+
+    return url.resolve(resource.url.replace(baseUrl, ''), resource.data.meta.image);
+}
diff --git a/src/mesh/canvas/CanvasMeshRenderer.js b/src/mesh/canvas/CanvasMeshRenderer.js
index 297205f..f7899e1 100644
--- a/src/mesh/canvas/CanvasMeshRenderer.js
+++ b/src/mesh/canvas/CanvasMeshRenderer.js
@@ -134,12 +134,33 @@
         const textureWidth = base.width;
         const textureHeight = base.height;
 
-        const u0 = uvs[index0] * base.width;
-        const u1 = uvs[index1] * base.width;
-        const u2 = uvs[index2] * base.width;
-        const v0 = uvs[index0 + 1] * base.height;
-        const v1 = uvs[index1 + 1] * base.height;
-        const v2 = uvs[index2 + 1] * base.height;
+        let u0;
+        let u1;
+        let u2;
+        let v0;
+        let v1;
+        let v2;
+
+        if (mesh.uploadUvTransform)
+        {
+            const ut = mesh._uvTransform.mapCoord;
+
+            u0 = ((uvs[index0] * ut.a) + (uvs[index0 + 1] * ut.c) + ut.tx) * base.width;
+            u1 = ((uvs[index1] * ut.a) + (uvs[index1 + 1] * ut.c) + ut.tx) * base.width;
+            u2 = ((uvs[index2] * ut.a) + (uvs[index2 + 1] * ut.c) + ut.tx) * base.width;
+            v0 = ((uvs[index0] * ut.b) + (uvs[index0 + 1] * ut.d) + ut.ty) * base.height;
+            v1 = ((uvs[index1] * ut.b) + (uvs[index1 + 1] * ut.d) + ut.ty) * base.height;
+            v2 = ((uvs[index2] * ut.b) + (uvs[index2 + 1] * ut.d) + ut.ty) * base.height;
+        }
+        else
+        {
+            u0 = uvs[index0] * base.width;
+            u1 = uvs[index1] * base.width;
+            u2 = uvs[index2] * base.width;
+            v0 = uvs[index0 + 1] * base.height;
+            v1 = uvs[index1 + 1] * base.height;
+            v2 = uvs[index2 + 1] * base.height;
+        }
 
         let x0 = vertices[index0];
         let x1 = vertices[index1];
diff --git a/src/mesh/webgl/MeshRenderer.js b/src/mesh/webgl/MeshRenderer.js
index 78d24c3..ab99fcd 100644
--- a/src/mesh/webgl/MeshRenderer.js
+++ b/src/mesh/webgl/MeshRenderer.js
@@ -2,6 +2,8 @@
 
 const byteSizeMap = { 5126: 4, 5123: 2, 5121: 1 };
 
+const matrixIdentity = core.Matrix.IDENTITY;
+
 /**
  * WebGL renderer plugin for tiling sprites
  *
@@ -64,6 +66,7 @@
         mesh.geometry.glVertexArrayObjects[this.CONTEXT_UID].draw(mesh.drawMode, mesh.size, mesh.start, mesh.geometry.instanceCount);
     }
 
+
     /**
      * draws mesh
      * @param {PIXI.mesh.RawMesh} mesh mesh instance
diff --git a/src/mesh/webgl/mesh.vert b/src/mesh/webgl/mesh.vert
index a337aef..acc096c 100644
--- a/src/mesh/webgl/mesh.vert
+++ b/src/mesh/webgl/mesh.vert
@@ -1,8 +1,9 @@
 attribute vec2 aVertexPosition;
 attribute vec2 aTextureCoord;
 
-uniform mat3 translationMatrix;
 uniform mat3 projectionMatrix;
+uniform mat3 translationMatrix;
+uniform mat3 uTransform;
 
 varying vec2 vTextureCoord;
 
@@ -10,5 +11,5 @@
 {
     gl_Position = vec4((projectionMatrix * translationMatrix * vec3(aVertexPosition, 1.0)).xy, 0.0, 1.0);
 
-    vTextureCoord = aTextureCoord;
+    vTextureCoord = (uTransform * vec3(aTextureCoord, 1.0)).xy;
 }
diff --git a/src/particles/ParticleContainer.js b/src/particles/ParticleContainer.js
index 67796cf..63f7791 100644
--- a/src/particles/ParticleContainer.js
+++ b/src/particles/ParticleContainer.js
@@ -313,10 +313,10 @@
                 frame.y * resolution,
                 frame.width * resolution,
                 frame.height * resolution,
-                positionX * resolution,
-                positionY * resolution,
-                finalWidth * resolution,
-                finalHeight * resolution
+                positionX * renderer.resolution,
+                positionY * renderer.resolution,
+                finalWidth * renderer.resolution,
+                finalHeight * renderer.resolution
             );
         }
     }
diff --git a/src/prepare/BasePrepare.js b/src/prepare/BasePrepare.js
index 09eb5e5..e45c4dc 100644
--- a/src/prepare/BasePrepare.js
+++ b/src/prepare/BasePrepare.js
@@ -18,6 +18,18 @@
  * basic queuing functionality and is extended by {@link PIXI.prepare.WebGLPrepare} and {@link PIXI.prepare.CanvasPrepare}
  * to provide preparation capabilities specific to their respective renderers.
  *
+ * @example
+ * // Create a sprite
+ * const sprite = new PIXI.Sprite.fromImage('something.png');
+ *
+ * // Load object into GPU
+ * app.renderer.plugins.prepare.upload(sprite, () => {
+ *
+ *     //Texture(s) has been uploaded to GPU
+ *     app.stage.addChild(sprite);
+ *
+ * })
+ *
  * @abstract
  * @class
  * @memberof PIXI.prepare
@@ -100,8 +112,16 @@
             this.prepareItems();
         };
 
-        this.register(findText, drawText);
-        this.register(findTextStyle, calculateTextStyle);
+        // hooks to find the correct texture
+        this.registerFindHook(findText);
+        this.registerFindHook(findTextStyle);
+        this.registerFindHook(findMultipleBaseTextures);
+        this.registerFindHook(findBaseTexture);
+        this.registerFindHook(findTexture);
+
+        // upload hooks
+        this.registerUploadHook(drawText);
+        this.registerUploadHook(calculateTextStyle);
     }
 
     /**
@@ -138,7 +158,7 @@
             if (!this.ticking)
             {
                 this.ticking = true;
-                SharedTicker.addOnce(this.tick, this);
+                SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
             }
         }
         else if (done)
@@ -172,13 +192,16 @@
             const item = this.queue[0];
             let uploaded = false;
 
-            for (let i = 0, len = this.uploadHooks.length; i < len; i++)
+            if (item && !item._destroyed)
             {
-                if (this.uploadHooks[i](this.uploadHookHelper, item))
+                for (let i = 0, len = this.uploadHooks.length; i < len; i++)
                 {
-                    this.queue.shift();
-                    uploaded = true;
-                    break;
+                    if (this.uploadHooks[i](this.uploadHookHelper, item))
+                    {
+                        this.queue.shift();
+                        uploaded = true;
+                        break;
+                    }
                 }
             }
 
@@ -205,26 +228,36 @@
         else
         {
             // if we are not finished, on the next rAF do this again
-            SharedTicker.addOnce(this.tick, this);
+            SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
         }
     }
 
     /**
-     * Adds hooks for finding and uploading items.
+     * Adds hooks for finding items.
      *
-     * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
-              function must return `true` if it was able to add item to the queue.
-     * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
-     *        function must return `true` if it was able to handle upload of item.
-     * @return {PIXI.CanvasPrepare} Instance of plugin for chaining.
+     * @param {Function} addHook - Function call that takes two parameters: `item:*, queue:Array`
+     *          function must return `true` if it was able to add item to the queue.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
      */
-    register(addHook, uploadHook)
+    registerFindHook(addHook)
     {
         if (addHook)
         {
             this.addHooks.push(addHook);
         }
 
+        return this;
+    }
+
+    /**
+     * Adds hooks for uploading items.
+     *
+     * @param {Function} uploadHook - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+     *          function must return `true` if it was able to handle upload of item.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+     */
+    registerUploadHook(uploadHook)
+    {
         if (uploadHook)
         {
             this.uploadHooks.push(uploadHook);
@@ -287,6 +320,88 @@
 }
 
 /**
+ * Built-in hook to find multiple textures from objects like AnimatedSprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findMultipleBaseTextures(item, queue)
+{
+    let result = false;
+
+    // Objects with mutliple textures
+    if (item && item._textures && item._textures.length)
+    {
+        for (let i = 0; i < item._textures.length; i++)
+        {
+            if (item._textures[i] instanceof core.Texture)
+            {
+                const baseTexture = item._textures[i].baseTexture;
+
+                if (queue.indexOf(baseTexture) === -1)
+                {
+                    queue.push(baseTexture);
+                    result = true;
+                }
+            }
+        }
+    }
+
+    return result;
+}
+
+/**
+ * Built-in hook to find BaseTextures from Sprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findBaseTexture(item, queue)
+{
+    // Objects with textures, like Sprites/Text
+    if (item instanceof core.BaseTexture)
+    {
+        if (queue.indexOf(item) === -1)
+        {
+            queue.push(item);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
+ * Built-in hook to find textures from objects.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findTexture(item, queue)
+{
+    if (item._texture && item._texture instanceof core.Texture)
+    {
+        const texture = item._texture.baseTexture;
+
+        if (queue.indexOf(texture) === -1)
+        {
+            queue.push(texture);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
  * Built-in hook to draw PIXI.Text to its texture.
  *
  * @private
diff --git a/src/prepare/canvas/CanvasPrepare.js b/src/prepare/canvas/CanvasPrepare.js
index 0224bb5..09c207a 100644
--- a/src/prepare/canvas/CanvasPrepare.js
+++ b/src/prepare/canvas/CanvasPrepare.js
@@ -43,7 +43,7 @@
         this.ctx = this.canvas.getContext('2d');
 
         // Add textures to upload
-        this.register(findBaseTextures, uploadBaseTextures);
+        this.registerUploadHook(uploadBaseTextures);
     }
 
     /**
@@ -89,39 +89,4 @@
     return false;
 }
 
-/**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item  -Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
 core.CanvasRenderer.registerPlugin('prepare', CanvasPrepare);
diff --git a/src/prepare/index.js b/src/prepare/index.js
index f559c45..e7491ec 100644
--- a/src/prepare/index.js
+++ b/src/prepare/index.js
@@ -1,4 +1,29 @@
 /**
+ * The prepare namespace provides renderer-specific plugins for pre-rendering DisplayObjects. These plugins are useful for
+ * asynchronously preparing assets, textures, graphics waiting to be displayed.
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ * document.body.appendChild(app.view);
+ *
+ * // Don't start rendering right away
+ * app.stop();
+ *
+ * // create a display object
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add to the stage
+ * app.stage.addChild(rect);
+ *
+ * // Don't start rendering until the graphic is uploaded to the GPU
+ * app.renderer.plugins.prepare.upload(app.stage, () => {
+ *     app.start();
+ * });
  * @namespace PIXI.prepare
  */
 export { default as webgl } from './webgl/WebGLPrepare';

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line
diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 02d53a3..449f8cc 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -30,7 +30,10 @@
         /**
          * When passed to an event handler, this will be the original DOM Event that was captured
          *
-         * @member {Event}
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+         * @member {MouseEvent|TouchEvent|PointerEvent}
          */
         this.originalEvent = null;
     }
diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 8baf13a..2d75c7c 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -13,6 +13,14 @@
 
 const MOUSE_POINTER_ID = 'MOUSE';
 
+// helpers for hitTest() - only used inside hitTest()
+const hitTestEvent = {
+    target: null,
+    data: {
+        global: null,
+    },
+};
+
 /**
  * The interaction manager deals with mouse, touch and pointer events. Any DisplayObject can be interactive
  * if its interactive parameter is set to true
@@ -245,67 +253,60 @@
         this.setTargetElement(this.renderer.view, this.renderer.resolution);
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed on the display
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display
          * object.
          *
-         * @event mousedown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * on the display object.
          *
-         * @event rightdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released over the display
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
          * object.
          *
-         * @event mouseup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is released
          * over the display object.
          *
-         * @event rightup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed and released on
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
          * the display object.
          *
-         * @event click
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * and released on the display object.
          *
-         * @event rightclick
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released outside the
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
          * display object that initially registered a
          * [mousedown]{@link PIXI.interaction.InteractionManager#event:mousedown}.
          *
-         * @event mouseupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
@@ -313,146 +314,362 @@
          * outside the display object that initially registered a
          * [rightdown]{@link PIXI.interaction.InteractionManager#event:rightdown}.
          *
-         * @event rightupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved while over the display object
          *
-         * @event mousemove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved onto the display object
          *
-         * @event mouseover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved off the display object
          *
-         * @event mouseout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed on the display object.
          *
-         * @event pointerdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released over the display object.
          *
-         * @event pointerup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a pointer event
          *
-         * @event pointercancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed and released on the display object.
          *
-         * @event pointertap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released outside the display object that initially
          * registered a [pointerdown]{@link PIXI.interaction.InteractionManager#event:pointerdown}.
          *
-         * @event pointerupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved while over the display object
          *
-         * @event pointermove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved onto the display object
          *
-         * @event pointerover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved off the display object
          *
-         * @event pointerout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed on the display object.
          *
-         * @event touchstart
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed from the display object.
          *
-         * @event touchend
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a touch
          *
-         * @event touchcancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed and removed from the display object.
          *
-         * @event tap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed outside of the display object that initially
          * registered a [touchstart]{@link PIXI.interaction.InteractionManager#event:touchstart}.
          *
-         * @event touchendoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is moved along the display object.
          *
-         * @event touchmove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display.
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * over the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
+         * the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * and released on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
+         * display object that initially registered a
+         * [mousedown]{@link PIXI.DisplayObject#event:mousedown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * outside the display object that initially registered a
+         * [rightdown]{@link PIXI.DisplayObject#event:rightdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a pointer event.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed and released on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released outside the display object that initially
+         * registered a [pointerdown]{@link PIXI.DisplayObject#event:pointerdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a touch.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed and removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed outside of the display object that initially
+         * registered a [touchstart]{@link PIXI.DisplayObject#event:touchstart}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is moved along the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+    }
+
+    /**
+     * Hit tests a point against the display tree, returning the first interactive object that is hit.
+     *
+     * @param {PIXI.Point} globalPoint - A point to hit test with, in global space.
+     * @param {PIXI.Container} [root] - The root display object to start from. If omitted, defaults
+     * to the last rendered root of the associated renderer.
+     * @return {PIXI.DisplayObject} The hit display object, if any.
+     */
+    hitTest(globalPoint, root)
+    {
+        // clear the target for our hit test
+        hitTestEvent.target = null;
+        // assign the global point
+        hitTestEvent.data.global = globalPoint;
+        // ensure safety of the root
+        if (!root)
+        {
+            root = this.renderer._lastObjectRendered;
+        }
+        // run the hit test
+        this.processInteractive(hitTestEvent, root, null, true);
+        // return our found object - it'll be null if we didn't hit anything
+
+        return hitTestEvent.target;
     }
 
     /**
@@ -487,7 +704,7 @@
             return;
         }
 
-        core.ticker.shared.add(this.update, this);
+        core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.INTERACTION);
 
         if (window.navigator.msPointerEnabled)
         {
@@ -804,8 +1021,6 @@
             }
         }
 
-        let keepHitTestingAfterChildren = hitTest;
-
         // ** FREE TIP **! If an object is not interactive or has no buttons in it
         // (such as a game scene!) set interactiveChildren to false for that displayObject.
         // This will allow pixi to completely ignore and bypass checking the displayObjects children.
@@ -818,7 +1033,9 @@
                 const child = children[i];
 
                 // time to get recursive.. if this function will return if something is hit..
-                if (this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent))
+                const childHit = this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent);
+
+                if (childHit)
                 {
                     // its a good idea to check if a child has lost its parent.
                     // this means it has been removed whilst looping so its best
@@ -827,8 +1044,6 @@
                         continue;
                     }
 
-                    hit = true;
-
                     // we no longer need to hit test any more objects in this container as we we
                     // now know the parent has been hit
                     interactiveParent = false;
@@ -838,36 +1053,41 @@
                     // This means we no longer need to hit test anything else. We still need to run
                     // through all objects, but we don't need to perform any hit tests.
 
-                    keepHitTestingAfterChildren = false;
-
-                    if (child.interactive)
+                    if (childHit)
                     {
-                        hitTest = false;
+                        if (interactionEvent.target)
+                        {
+                            hitTest = false;
+                        }
+                        hit = true;
                     }
-
-                    // we can break now as we have hit an object.
                 }
             }
         }
 
-        hitTest = keepHitTestingAfterChildren;
-
         // no point running this if the item is not interactive or does not have an interactive parent.
         if (interactive)
         {
             // if we are hit testing (as in we have no hit any objects yet)
             // We also don't need to worry about hit testing if once of the displayObjects children
-            // has already been hit!
-            if (hitTest && !hit)
+            // has already been hit - but only if it was interactive, otherwise we need to keep
+            // looking for an interactive child, just in case we hit one
+            if (hitTest && !interactionEvent.target)
             {
                 if (displayObject.hitArea)
                 {
                     displayObject.worldTransform.applyInverse(point, this._tempPoint);
-                    hit = displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y);
+                    if (displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y))
+                    {
+                        hit = true;
+                    }
                 }
                 else if (displayObject.containsPoint)
                 {
-                    hit = displayObject.containsPoint(point);
+                    if (displayObject.containsPoint(point))
+                    {
+                        hit = true;
+                    }
                 }
             }
 
@@ -878,7 +1098,10 @@
                     interactionEvent.target = displayObject;
                 }
 
-                func(interactionEvent, displayObject, hit);
+                if (func)
+                {
+                    func(interactionEvent, displayObject, !!hit);
+                }
             }
         }
 
@@ -914,7 +1137,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -998,7 +1221,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1098,7 +1321,7 @@
 
             const test = isRightButton ? flags.RIGHT_DOWN : flags.LEFT_DOWN;
 
-            const isDown = trackingData !== undefined && (trackingData.flags | test);
+            const isDown = trackingData !== undefined && (trackingData.flags & test);
 
             if (hit)
             {
@@ -1118,11 +1341,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }
@@ -1180,7 +1403,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1255,7 +1478,7 @@
             this.setCursorMode(null);
         }
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1268,6 +1491,12 @@
         {
             this.emit('mouseout', interactionEvent);
         }
+        else
+        {
+            // we can get touchleave events after touchend, so we want to make sure we don't
+            // introduce memory leaks
+            this.releaseInteractionDataForPointerId(interactionData.identifier);
+        }
     }
 
     /**
@@ -1344,7 +1573,7 @@
         // Only mouse and pointer can call onPointerOver, so events will always be length 1
         const event = events[0];
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1366,12 +1595,14 @@
      * Get InteractionData for a given pointerId. Store that data as well
      *
      * @private
-     * @param {number} pointerId - Identifier from a pointer event
+     * @param {PointerEvent} event - Normalized pointer event, output from normalizeToPointerData
      * @return {InteractionData} - Interaction data for the given pointer identifier
      */
-    getInteractionDataForPointerId(pointerId)
+    getInteractionDataForPointerId(event)
     {
-        if (pointerId === MOUSE_POINTER_ID)
+        const pointerId = event.pointerId;
+
+        if (pointerId === MOUSE_POINTER_ID || event.pointerType === 'mouse')
         {
             return this.mouse;
         }
diff --git a/src/interaction/InteractionTrackingData.js b/src/interaction/InteractionTrackingData.js
index 6a1f69e..8493b63 100644
--- a/src/interaction/InteractionTrackingData.js
+++ b/src/interaction/InteractionTrackingData.js
@@ -35,8 +35,10 @@
     }
 
     /**
+     * Unique pointer id of the event
+     *
      * @readonly
-     * @type {number} Unique pointer id of the event
+     * @member {number}
      */
     get pointerId()
     {
diff --git a/src/interaction/index.js b/src/interaction/index.js
index 56c5b09..72f7d71 100644
--- a/src/interaction/index.js
+++ b/src/interaction/index.js
@@ -1,4 +1,8 @@
 /**
+ * This namespace contains a renderer plugin for handling mouse, pointer, and touch events.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.interaction
  */
 export { default as InteractionData } from './InteractionData';
diff --git a/src/interaction/interactiveTarget.js b/src/interaction/interactiveTarget.js
index d252fba..cebac40 100644
--- a/src/interaction/interactiveTarget.js
+++ b/src/interaction/interactiveTarget.js
@@ -2,7 +2,7 @@
  * Default property values of interactive objects
  * Used by {@link PIXI.interaction.InteractionManager} to automatically give all DisplayObjects these properties
  *
- * @mixin
+ * @private
  * @name interactiveTarget
  * @memberof PIXI.interaction
  * @example
@@ -14,18 +14,28 @@
  *      );
  */
 export default {
+
     /**
-     * Determines if the displayObject be clicked/touched
+     * Enable interaction events for the DisplayObject. Touch, pointer and mouse
+     * events will not be emitted unless `interactive` is set to `true`.
      *
-     * @inner {boolean}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.on('tap', (event) => {
+     *    //handle event
+     * });
+     * @member {boolean}
+     * @memberof PIXI.DisplayObject#
      */
     interactive: false,
 
     /**
      * Determines if the children to the displayObject can be clicked/touched
-     * Setting this to false allows pixi to bypass a recursive hitTest function
+     * Setting this to false allows pixi to bypass a recursive `hitTest` function
      *
-     * @inner {boolean}
+     * @member {boolean}
+     * @memberof PIXI.Container#
      */
     interactiveChildren: true,
 
@@ -33,7 +43,12 @@
      * Interaction shape. Children will be hit first, then this shape will be checked.
      * Setting this will cause this shape to be checked in hit tests rather than the displayObject's bounds.
      *
-     * @inner {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.hitArea = new PIXI.Rectangle(0, 0, 100, 100);
+     * @member {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @memberof PIXI.DisplayObject#
      */
     hitArea: null,
 
@@ -41,8 +56,12 @@
      * If enabled, the mouse cursor use the pointer behavior when hovered over the displayObject if it is interactive
      * Setting this changes the 'cursor' property to `'pointer'`.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.buttonMode = true;
      * @member {boolean}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      */
     get buttonMode()
     {
@@ -64,9 +83,14 @@
      * This defines what cursor mode is used when the mouse cursor
      * is hovered over the displayObject.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.cursor = 'wait';
      * @see https://developer.mozilla.org/en/docs/Web/CSS/cursor
      *
-     * @inner {string}
+     * @member {string}
+     * @memberof PIXI.DisplayObject#
      */
     cursor: null,
 
@@ -74,7 +98,7 @@
      * Internal set of all active pointers, by identifier
      *
      * @member {Map<number, InteractionTrackingData>}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      * @private
      */
     get trackedPointers()
@@ -87,7 +111,8 @@
     /**
      * Map of all tracked pointers, by identifier. Use trackedPointers to access.
      *
-     * @private {Map<number, InteractionTrackingData>}
+     * @private
+     * @type {Map<number, InteractionTrackingData>}
      */
     _trackedPointers: undefined,
 };
diff --git a/src/loaders/index.js b/src/loaders/index.js
index 5189793..daa1fc4 100644
--- a/src/loaders/index.js
+++ b/src/loaders/index.js
@@ -1,9 +1,22 @@
+import Application from '../core/Application';
+import Loader from './loader';
+
 /**
+ * This namespace contains APIs which extends the {@link https://github.com/englercj/resource-loader resource-loader} module
+ * for loading assets, data, and other resources dynamically.
+ * @example
+ * const loader = new PIXI.loaders.Loader();
+ * loader.add('bunny', 'data/bunny.png')
+ *       .add('spaceship', 'assets/spritesheet.json');
+ * loader.load((loader, resources) => {
+ *    // resources.bunny
+ *    // resources.spaceship
+ * });
  * @namespace PIXI.loaders
  */
-export { default as Loader } from './loader';
+export { Loader };
 export { default as bitmapFontParser, parse as parseBitmapFontData } from './bitmapFontParser';
-export { default as spritesheetParser } from './spritesheetParser';
+export { default as spritesheetParser, getResourcePath } from './spritesheetParser';
 export { default as textureParser } from './textureParser';
 
 /**
@@ -13,3 +26,55 @@
  * @memberof PIXI.loaders
  */
 export { Resource } from 'resource-loader';
+
+/**
+ * A premade instance of the loader that can be used to load resources.
+ * @name shared
+ * @memberof PIXI.loaders
+ * @type {PIXI.loaders.Loader}
+ */
+const shared = new Loader();
+
+shared.destroy = () =>
+{
+    // protect destroying shared loader
+};
+
+export { shared };
+
+// Mixin the loader construction
+const AppPrototype = Application.prototype;
+
+AppPrototype._loader = null;
+
+/**
+ * Loader instance to help with asset loading.
+ * @name PIXI.Application#loader
+ * @type {PIXI.loaders.Loader}
+ */
+Object.defineProperty(AppPrototype, 'loader', {
+    get()
+    {
+        if (!this._loader)
+        {
+            const sharedLoader = this._options.sharedLoader;
+
+            this._loader = sharedLoader ? shared : new Loader();
+        }
+
+        return this._loader;
+    },
+});
+
+// Override the destroy function
+// making sure to destroy the current Loader
+AppPrototype._parentDestroy = AppPrototype.destroy;
+AppPrototype.destroy = function destroy()
+{
+    if (this._loader)
+    {
+        this._loader.destroy();
+        this._loader = null;
+    }
+    this._parentDestroy();
+};
diff --git a/src/loaders/loader.js b/src/loaders/loader.js
index 767a411..59b8000 100644
--- a/src/loaders/loader.js
+++ b/src/loaders/loader.js
@@ -90,6 +90,15 @@
     {
         Loader._pixiMiddleware.push(fn);
     }
+
+    /**
+     * Destroy the loader, removes references.
+     */
+    destroy()
+    {
+        this.removeAllListeners();
+        this.reset();
+    }
 }
 
 // Copy EE3 prototype (mixin)
diff --git a/src/loaders/spritesheetParser.js b/src/loaders/spritesheetParser.js
index e57dfb2..eda9584 100644
--- a/src/loaders/spritesheetParser.js
+++ b/src/loaders/spritesheetParser.js
@@ -1,12 +1,11 @@
 import { Resource } from 'resource-loader';
-import path from 'path';
+import url from 'url';
 import { Spritesheet } from '../core';
 
 export default function ()
 {
     return function spritesheetParser(resource, next)
     {
-        let resourcePath;
         const imageResourceName = `${resource.name}_image`;
 
         // skip if no data, its not json, it isn't spritesheet data, or the image resource already exists
@@ -28,15 +27,7 @@
             parentResource: resource,
         };
 
-        // Prepend url path unless the resource image is a data url
-        if (resource.isDataUrl)
-        {
-            resourcePath = resource.data.meta.image;
-        }
-        else
-        {
-            resourcePath = `${path.dirname(resource.url.replace(this.baseUrl, ''))}/${resource.data.meta.image}`;
-        }
+        const resourcePath = getResourcePath(resource, this.baseUrl);
 
         // load the image for this sheet
         this.add(imageResourceName, resourcePath, loadOptions, function onImageLoad(res)
@@ -56,3 +47,14 @@
         });
     };
 }
+
+export function getResourcePath(resource, baseUrl)
+{
+    // Prepend url path unless the resource image is a data url
+    if (resource.isDataUrl)
+    {
+        return resource.data.meta.image;
+    }
+
+    return url.resolve(resource.url.replace(baseUrl, ''), resource.data.meta.image);
+}
diff --git a/src/mesh/canvas/CanvasMeshRenderer.js b/src/mesh/canvas/CanvasMeshRenderer.js
index 297205f..f7899e1 100644
--- a/src/mesh/canvas/CanvasMeshRenderer.js
+++ b/src/mesh/canvas/CanvasMeshRenderer.js
@@ -134,12 +134,33 @@
         const textureWidth = base.width;
         const textureHeight = base.height;
 
-        const u0 = uvs[index0] * base.width;
-        const u1 = uvs[index1] * base.width;
-        const u2 = uvs[index2] * base.width;
-        const v0 = uvs[index0 + 1] * base.height;
-        const v1 = uvs[index1 + 1] * base.height;
-        const v2 = uvs[index2 + 1] * base.height;
+        let u0;
+        let u1;
+        let u2;
+        let v0;
+        let v1;
+        let v2;
+
+        if (mesh.uploadUvTransform)
+        {
+            const ut = mesh._uvTransform.mapCoord;
+
+            u0 = ((uvs[index0] * ut.a) + (uvs[index0 + 1] * ut.c) + ut.tx) * base.width;
+            u1 = ((uvs[index1] * ut.a) + (uvs[index1 + 1] * ut.c) + ut.tx) * base.width;
+            u2 = ((uvs[index2] * ut.a) + (uvs[index2 + 1] * ut.c) + ut.tx) * base.width;
+            v0 = ((uvs[index0] * ut.b) + (uvs[index0 + 1] * ut.d) + ut.ty) * base.height;
+            v1 = ((uvs[index1] * ut.b) + (uvs[index1 + 1] * ut.d) + ut.ty) * base.height;
+            v2 = ((uvs[index2] * ut.b) + (uvs[index2 + 1] * ut.d) + ut.ty) * base.height;
+        }
+        else
+        {
+            u0 = uvs[index0] * base.width;
+            u1 = uvs[index1] * base.width;
+            u2 = uvs[index2] * base.width;
+            v0 = uvs[index0 + 1] * base.height;
+            v1 = uvs[index1 + 1] * base.height;
+            v2 = uvs[index2 + 1] * base.height;
+        }
 
         let x0 = vertices[index0];
         let x1 = vertices[index1];
diff --git a/src/mesh/webgl/MeshRenderer.js b/src/mesh/webgl/MeshRenderer.js
index 78d24c3..ab99fcd 100644
--- a/src/mesh/webgl/MeshRenderer.js
+++ b/src/mesh/webgl/MeshRenderer.js
@@ -2,6 +2,8 @@
 
 const byteSizeMap = { 5126: 4, 5123: 2, 5121: 1 };
 
+const matrixIdentity = core.Matrix.IDENTITY;
+
 /**
  * WebGL renderer plugin for tiling sprites
  *
@@ -64,6 +66,7 @@
         mesh.geometry.glVertexArrayObjects[this.CONTEXT_UID].draw(mesh.drawMode, mesh.size, mesh.start, mesh.geometry.instanceCount);
     }
 
+
     /**
      * draws mesh
      * @param {PIXI.mesh.RawMesh} mesh mesh instance
diff --git a/src/mesh/webgl/mesh.vert b/src/mesh/webgl/mesh.vert
index a337aef..acc096c 100644
--- a/src/mesh/webgl/mesh.vert
+++ b/src/mesh/webgl/mesh.vert
@@ -1,8 +1,9 @@
 attribute vec2 aVertexPosition;
 attribute vec2 aTextureCoord;
 
-uniform mat3 translationMatrix;
 uniform mat3 projectionMatrix;
+uniform mat3 translationMatrix;
+uniform mat3 uTransform;
 
 varying vec2 vTextureCoord;
 
@@ -10,5 +11,5 @@
 {
     gl_Position = vec4((projectionMatrix * translationMatrix * vec3(aVertexPosition, 1.0)).xy, 0.0, 1.0);
 
-    vTextureCoord = aTextureCoord;
+    vTextureCoord = (uTransform * vec3(aTextureCoord, 1.0)).xy;
 }
diff --git a/src/particles/ParticleContainer.js b/src/particles/ParticleContainer.js
index 67796cf..63f7791 100644
--- a/src/particles/ParticleContainer.js
+++ b/src/particles/ParticleContainer.js
@@ -313,10 +313,10 @@
                 frame.y * resolution,
                 frame.width * resolution,
                 frame.height * resolution,
-                positionX * resolution,
-                positionY * resolution,
-                finalWidth * resolution,
-                finalHeight * resolution
+                positionX * renderer.resolution,
+                positionY * renderer.resolution,
+                finalWidth * renderer.resolution,
+                finalHeight * renderer.resolution
             );
         }
     }
diff --git a/src/prepare/BasePrepare.js b/src/prepare/BasePrepare.js
index 09eb5e5..e45c4dc 100644
--- a/src/prepare/BasePrepare.js
+++ b/src/prepare/BasePrepare.js
@@ -18,6 +18,18 @@
  * basic queuing functionality and is extended by {@link PIXI.prepare.WebGLPrepare} and {@link PIXI.prepare.CanvasPrepare}
  * to provide preparation capabilities specific to their respective renderers.
  *
+ * @example
+ * // Create a sprite
+ * const sprite = new PIXI.Sprite.fromImage('something.png');
+ *
+ * // Load object into GPU
+ * app.renderer.plugins.prepare.upload(sprite, () => {
+ *
+ *     //Texture(s) has been uploaded to GPU
+ *     app.stage.addChild(sprite);
+ *
+ * })
+ *
  * @abstract
  * @class
  * @memberof PIXI.prepare
@@ -100,8 +112,16 @@
             this.prepareItems();
         };
 
-        this.register(findText, drawText);
-        this.register(findTextStyle, calculateTextStyle);
+        // hooks to find the correct texture
+        this.registerFindHook(findText);
+        this.registerFindHook(findTextStyle);
+        this.registerFindHook(findMultipleBaseTextures);
+        this.registerFindHook(findBaseTexture);
+        this.registerFindHook(findTexture);
+
+        // upload hooks
+        this.registerUploadHook(drawText);
+        this.registerUploadHook(calculateTextStyle);
     }
 
     /**
@@ -138,7 +158,7 @@
             if (!this.ticking)
             {
                 this.ticking = true;
-                SharedTicker.addOnce(this.tick, this);
+                SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
             }
         }
         else if (done)
@@ -172,13 +192,16 @@
             const item = this.queue[0];
             let uploaded = false;
 
-            for (let i = 0, len = this.uploadHooks.length; i < len; i++)
+            if (item && !item._destroyed)
             {
-                if (this.uploadHooks[i](this.uploadHookHelper, item))
+                for (let i = 0, len = this.uploadHooks.length; i < len; i++)
                 {
-                    this.queue.shift();
-                    uploaded = true;
-                    break;
+                    if (this.uploadHooks[i](this.uploadHookHelper, item))
+                    {
+                        this.queue.shift();
+                        uploaded = true;
+                        break;
+                    }
                 }
             }
 
@@ -205,26 +228,36 @@
         else
         {
             // if we are not finished, on the next rAF do this again
-            SharedTicker.addOnce(this.tick, this);
+            SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
         }
     }
 
     /**
-     * Adds hooks for finding and uploading items.
+     * Adds hooks for finding items.
      *
-     * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
-              function must return `true` if it was able to add item to the queue.
-     * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
-     *        function must return `true` if it was able to handle upload of item.
-     * @return {PIXI.CanvasPrepare} Instance of plugin for chaining.
+     * @param {Function} addHook - Function call that takes two parameters: `item:*, queue:Array`
+     *          function must return `true` if it was able to add item to the queue.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
      */
-    register(addHook, uploadHook)
+    registerFindHook(addHook)
     {
         if (addHook)
         {
             this.addHooks.push(addHook);
         }
 
+        return this;
+    }
+
+    /**
+     * Adds hooks for uploading items.
+     *
+     * @param {Function} uploadHook - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+     *          function must return `true` if it was able to handle upload of item.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+     */
+    registerUploadHook(uploadHook)
+    {
         if (uploadHook)
         {
             this.uploadHooks.push(uploadHook);
@@ -287,6 +320,88 @@
 }
 
 /**
+ * Built-in hook to find multiple textures from objects like AnimatedSprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findMultipleBaseTextures(item, queue)
+{
+    let result = false;
+
+    // Objects with mutliple textures
+    if (item && item._textures && item._textures.length)
+    {
+        for (let i = 0; i < item._textures.length; i++)
+        {
+            if (item._textures[i] instanceof core.Texture)
+            {
+                const baseTexture = item._textures[i].baseTexture;
+
+                if (queue.indexOf(baseTexture) === -1)
+                {
+                    queue.push(baseTexture);
+                    result = true;
+                }
+            }
+        }
+    }
+
+    return result;
+}
+
+/**
+ * Built-in hook to find BaseTextures from Sprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findBaseTexture(item, queue)
+{
+    // Objects with textures, like Sprites/Text
+    if (item instanceof core.BaseTexture)
+    {
+        if (queue.indexOf(item) === -1)
+        {
+            queue.push(item);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
+ * Built-in hook to find textures from objects.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findTexture(item, queue)
+{
+    if (item._texture && item._texture instanceof core.Texture)
+    {
+        const texture = item._texture.baseTexture;
+
+        if (queue.indexOf(texture) === -1)
+        {
+            queue.push(texture);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
  * Built-in hook to draw PIXI.Text to its texture.
  *
  * @private
diff --git a/src/prepare/canvas/CanvasPrepare.js b/src/prepare/canvas/CanvasPrepare.js
index 0224bb5..09c207a 100644
--- a/src/prepare/canvas/CanvasPrepare.js
+++ b/src/prepare/canvas/CanvasPrepare.js
@@ -43,7 +43,7 @@
         this.ctx = this.canvas.getContext('2d');
 
         // Add textures to upload
-        this.register(findBaseTextures, uploadBaseTextures);
+        this.registerUploadHook(uploadBaseTextures);
     }
 
     /**
@@ -89,39 +89,4 @@
     return false;
 }
 
-/**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item  -Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
 core.CanvasRenderer.registerPlugin('prepare', CanvasPrepare);
diff --git a/src/prepare/index.js b/src/prepare/index.js
index f559c45..e7491ec 100644
--- a/src/prepare/index.js
+++ b/src/prepare/index.js
@@ -1,4 +1,29 @@
 /**
+ * The prepare namespace provides renderer-specific plugins for pre-rendering DisplayObjects. These plugins are useful for
+ * asynchronously preparing assets, textures, graphics waiting to be displayed.
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ * document.body.appendChild(app.view);
+ *
+ * // Don't start rendering right away
+ * app.stop();
+ *
+ * // create a display object
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add to the stage
+ * app.stage.addChild(rect);
+ *
+ * // Don't start rendering until the graphic is uploaded to the GPU
+ * app.renderer.plugins.prepare.upload(app.stage, () => {
+ *     app.start();
+ * });
  * @namespace PIXI.prepare
  */
 export { default as webgl } from './webgl/WebGLPrepare';
diff --git a/src/prepare/webgl/WebGLPrepare.js b/src/prepare/webgl/WebGLPrepare.js
index eb7023f..9df3c3f 100644
--- a/src/prepare/webgl/WebGLPrepare.js
+++ b/src/prepare/webgl/WebGLPrepare.js
@@ -22,12 +22,11 @@
         this.uploadHookHelper = this.renderer;
 
         // Add textures and graphics to upload
-        this.register(findBaseTextures, uploadBaseTextures)
-            .register(findGraphics, uploadGraphics);
+        this.registerFindHook(findGraphics);
+        this.registerUploadHook(uploadBaseTextures);
+        this.registerUploadHook(uploadGraphics);
     }
-
 }
-
 /**
  * Built-in hook to upload PIXI.Texture objects to the GPU.
  *
@@ -80,41 +79,6 @@
 }
 
 /**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item - Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
-/**
  * Built-in hook to find graphics.
  *
  * @private

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line
diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 02d53a3..449f8cc 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -30,7 +30,10 @@
         /**
          * When passed to an event handler, this will be the original DOM Event that was captured
          *
-         * @member {Event}
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+         * @member {MouseEvent|TouchEvent|PointerEvent}
          */
         this.originalEvent = null;
     }
diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 8baf13a..2d75c7c 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -13,6 +13,14 @@
 
 const MOUSE_POINTER_ID = 'MOUSE';
 
+// helpers for hitTest() - only used inside hitTest()
+const hitTestEvent = {
+    target: null,
+    data: {
+        global: null,
+    },
+};
+
 /**
  * The interaction manager deals with mouse, touch and pointer events. Any DisplayObject can be interactive
  * if its interactive parameter is set to true
@@ -245,67 +253,60 @@
         this.setTargetElement(this.renderer.view, this.renderer.resolution);
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed on the display
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display
          * object.
          *
-         * @event mousedown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * on the display object.
          *
-         * @event rightdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released over the display
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
          * object.
          *
-         * @event mouseup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is released
          * over the display object.
          *
-         * @event rightup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed and released on
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
          * the display object.
          *
-         * @event click
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * and released on the display object.
          *
-         * @event rightclick
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released outside the
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
          * display object that initially registered a
          * [mousedown]{@link PIXI.interaction.InteractionManager#event:mousedown}.
          *
-         * @event mouseupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
@@ -313,146 +314,362 @@
          * outside the display object that initially registered a
          * [rightdown]{@link PIXI.interaction.InteractionManager#event:rightdown}.
          *
-         * @event rightupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved while over the display object
          *
-         * @event mousemove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved onto the display object
          *
-         * @event mouseover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved off the display object
          *
-         * @event mouseout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed on the display object.
          *
-         * @event pointerdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released over the display object.
          *
-         * @event pointerup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a pointer event
          *
-         * @event pointercancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed and released on the display object.
          *
-         * @event pointertap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released outside the display object that initially
          * registered a [pointerdown]{@link PIXI.interaction.InteractionManager#event:pointerdown}.
          *
-         * @event pointerupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved while over the display object
          *
-         * @event pointermove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved onto the display object
          *
-         * @event pointerover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved off the display object
          *
-         * @event pointerout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed on the display object.
          *
-         * @event touchstart
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed from the display object.
          *
-         * @event touchend
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a touch
          *
-         * @event touchcancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed and removed from the display object.
          *
-         * @event tap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed outside of the display object that initially
          * registered a [touchstart]{@link PIXI.interaction.InteractionManager#event:touchstart}.
          *
-         * @event touchendoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is moved along the display object.
          *
-         * @event touchmove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display.
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * over the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
+         * the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * and released on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
+         * display object that initially registered a
+         * [mousedown]{@link PIXI.DisplayObject#event:mousedown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * outside the display object that initially registered a
+         * [rightdown]{@link PIXI.DisplayObject#event:rightdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a pointer event.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed and released on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released outside the display object that initially
+         * registered a [pointerdown]{@link PIXI.DisplayObject#event:pointerdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a touch.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed and removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed outside of the display object that initially
+         * registered a [touchstart]{@link PIXI.DisplayObject#event:touchstart}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is moved along the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+    }
+
+    /**
+     * Hit tests a point against the display tree, returning the first interactive object that is hit.
+     *
+     * @param {PIXI.Point} globalPoint - A point to hit test with, in global space.
+     * @param {PIXI.Container} [root] - The root display object to start from. If omitted, defaults
+     * to the last rendered root of the associated renderer.
+     * @return {PIXI.DisplayObject} The hit display object, if any.
+     */
+    hitTest(globalPoint, root)
+    {
+        // clear the target for our hit test
+        hitTestEvent.target = null;
+        // assign the global point
+        hitTestEvent.data.global = globalPoint;
+        // ensure safety of the root
+        if (!root)
+        {
+            root = this.renderer._lastObjectRendered;
+        }
+        // run the hit test
+        this.processInteractive(hitTestEvent, root, null, true);
+        // return our found object - it'll be null if we didn't hit anything
+
+        return hitTestEvent.target;
     }
 
     /**
@@ -487,7 +704,7 @@
             return;
         }
 
-        core.ticker.shared.add(this.update, this);
+        core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.INTERACTION);
 
         if (window.navigator.msPointerEnabled)
         {
@@ -804,8 +1021,6 @@
             }
         }
 
-        let keepHitTestingAfterChildren = hitTest;
-
         // ** FREE TIP **! If an object is not interactive or has no buttons in it
         // (such as a game scene!) set interactiveChildren to false for that displayObject.
         // This will allow pixi to completely ignore and bypass checking the displayObjects children.
@@ -818,7 +1033,9 @@
                 const child = children[i];
 
                 // time to get recursive.. if this function will return if something is hit..
-                if (this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent))
+                const childHit = this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent);
+
+                if (childHit)
                 {
                     // its a good idea to check if a child has lost its parent.
                     // this means it has been removed whilst looping so its best
@@ -827,8 +1044,6 @@
                         continue;
                     }
 
-                    hit = true;
-
                     // we no longer need to hit test any more objects in this container as we we
                     // now know the parent has been hit
                     interactiveParent = false;
@@ -838,36 +1053,41 @@
                     // This means we no longer need to hit test anything else. We still need to run
                     // through all objects, but we don't need to perform any hit tests.
 
-                    keepHitTestingAfterChildren = false;
-
-                    if (child.interactive)
+                    if (childHit)
                     {
-                        hitTest = false;
+                        if (interactionEvent.target)
+                        {
+                            hitTest = false;
+                        }
+                        hit = true;
                     }
-
-                    // we can break now as we have hit an object.
                 }
             }
         }
 
-        hitTest = keepHitTestingAfterChildren;
-
         // no point running this if the item is not interactive or does not have an interactive parent.
         if (interactive)
         {
             // if we are hit testing (as in we have no hit any objects yet)
             // We also don't need to worry about hit testing if once of the displayObjects children
-            // has already been hit!
-            if (hitTest && !hit)
+            // has already been hit - but only if it was interactive, otherwise we need to keep
+            // looking for an interactive child, just in case we hit one
+            if (hitTest && !interactionEvent.target)
             {
                 if (displayObject.hitArea)
                 {
                     displayObject.worldTransform.applyInverse(point, this._tempPoint);
-                    hit = displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y);
+                    if (displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y))
+                    {
+                        hit = true;
+                    }
                 }
                 else if (displayObject.containsPoint)
                 {
-                    hit = displayObject.containsPoint(point);
+                    if (displayObject.containsPoint(point))
+                    {
+                        hit = true;
+                    }
                 }
             }
 
@@ -878,7 +1098,10 @@
                     interactionEvent.target = displayObject;
                 }
 
-                func(interactionEvent, displayObject, hit);
+                if (func)
+                {
+                    func(interactionEvent, displayObject, !!hit);
+                }
             }
         }
 
@@ -914,7 +1137,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -998,7 +1221,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1098,7 +1321,7 @@
 
             const test = isRightButton ? flags.RIGHT_DOWN : flags.LEFT_DOWN;
 
-            const isDown = trackingData !== undefined && (trackingData.flags | test);
+            const isDown = trackingData !== undefined && (trackingData.flags & test);
 
             if (hit)
             {
@@ -1118,11 +1341,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }
@@ -1180,7 +1403,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1255,7 +1478,7 @@
             this.setCursorMode(null);
         }
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1268,6 +1491,12 @@
         {
             this.emit('mouseout', interactionEvent);
         }
+        else
+        {
+            // we can get touchleave events after touchend, so we want to make sure we don't
+            // introduce memory leaks
+            this.releaseInteractionDataForPointerId(interactionData.identifier);
+        }
     }
 
     /**
@@ -1344,7 +1573,7 @@
         // Only mouse and pointer can call onPointerOver, so events will always be length 1
         const event = events[0];
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1366,12 +1595,14 @@
      * Get InteractionData for a given pointerId. Store that data as well
      *
      * @private
-     * @param {number} pointerId - Identifier from a pointer event
+     * @param {PointerEvent} event - Normalized pointer event, output from normalizeToPointerData
      * @return {InteractionData} - Interaction data for the given pointer identifier
      */
-    getInteractionDataForPointerId(pointerId)
+    getInteractionDataForPointerId(event)
     {
-        if (pointerId === MOUSE_POINTER_ID)
+        const pointerId = event.pointerId;
+
+        if (pointerId === MOUSE_POINTER_ID || event.pointerType === 'mouse')
         {
             return this.mouse;
         }
diff --git a/src/interaction/InteractionTrackingData.js b/src/interaction/InteractionTrackingData.js
index 6a1f69e..8493b63 100644
--- a/src/interaction/InteractionTrackingData.js
+++ b/src/interaction/InteractionTrackingData.js
@@ -35,8 +35,10 @@
     }
 
     /**
+     * Unique pointer id of the event
+     *
      * @readonly
-     * @type {number} Unique pointer id of the event
+     * @member {number}
      */
     get pointerId()
     {
diff --git a/src/interaction/index.js b/src/interaction/index.js
index 56c5b09..72f7d71 100644
--- a/src/interaction/index.js
+++ b/src/interaction/index.js
@@ -1,4 +1,8 @@
 /**
+ * This namespace contains a renderer plugin for handling mouse, pointer, and touch events.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.interaction
  */
 export { default as InteractionData } from './InteractionData';
diff --git a/src/interaction/interactiveTarget.js b/src/interaction/interactiveTarget.js
index d252fba..cebac40 100644
--- a/src/interaction/interactiveTarget.js
+++ b/src/interaction/interactiveTarget.js
@@ -2,7 +2,7 @@
  * Default property values of interactive objects
  * Used by {@link PIXI.interaction.InteractionManager} to automatically give all DisplayObjects these properties
  *
- * @mixin
+ * @private
  * @name interactiveTarget
  * @memberof PIXI.interaction
  * @example
@@ -14,18 +14,28 @@
  *      );
  */
 export default {
+
     /**
-     * Determines if the displayObject be clicked/touched
+     * Enable interaction events for the DisplayObject. Touch, pointer and mouse
+     * events will not be emitted unless `interactive` is set to `true`.
      *
-     * @inner {boolean}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.on('tap', (event) => {
+     *    //handle event
+     * });
+     * @member {boolean}
+     * @memberof PIXI.DisplayObject#
      */
     interactive: false,
 
     /**
      * Determines if the children to the displayObject can be clicked/touched
-     * Setting this to false allows pixi to bypass a recursive hitTest function
+     * Setting this to false allows pixi to bypass a recursive `hitTest` function
      *
-     * @inner {boolean}
+     * @member {boolean}
+     * @memberof PIXI.Container#
      */
     interactiveChildren: true,
 
@@ -33,7 +43,12 @@
      * Interaction shape. Children will be hit first, then this shape will be checked.
      * Setting this will cause this shape to be checked in hit tests rather than the displayObject's bounds.
      *
-     * @inner {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.hitArea = new PIXI.Rectangle(0, 0, 100, 100);
+     * @member {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @memberof PIXI.DisplayObject#
      */
     hitArea: null,
 
@@ -41,8 +56,12 @@
      * If enabled, the mouse cursor use the pointer behavior when hovered over the displayObject if it is interactive
      * Setting this changes the 'cursor' property to `'pointer'`.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.buttonMode = true;
      * @member {boolean}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      */
     get buttonMode()
     {
@@ -64,9 +83,14 @@
      * This defines what cursor mode is used when the mouse cursor
      * is hovered over the displayObject.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.cursor = 'wait';
      * @see https://developer.mozilla.org/en/docs/Web/CSS/cursor
      *
-     * @inner {string}
+     * @member {string}
+     * @memberof PIXI.DisplayObject#
      */
     cursor: null,
 
@@ -74,7 +98,7 @@
      * Internal set of all active pointers, by identifier
      *
      * @member {Map<number, InteractionTrackingData>}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      * @private
      */
     get trackedPointers()
@@ -87,7 +111,8 @@
     /**
      * Map of all tracked pointers, by identifier. Use trackedPointers to access.
      *
-     * @private {Map<number, InteractionTrackingData>}
+     * @private
+     * @type {Map<number, InteractionTrackingData>}
      */
     _trackedPointers: undefined,
 };
diff --git a/src/loaders/index.js b/src/loaders/index.js
index 5189793..daa1fc4 100644
--- a/src/loaders/index.js
+++ b/src/loaders/index.js
@@ -1,9 +1,22 @@
+import Application from '../core/Application';
+import Loader from './loader';
+
 /**
+ * This namespace contains APIs which extends the {@link https://github.com/englercj/resource-loader resource-loader} module
+ * for loading assets, data, and other resources dynamically.
+ * @example
+ * const loader = new PIXI.loaders.Loader();
+ * loader.add('bunny', 'data/bunny.png')
+ *       .add('spaceship', 'assets/spritesheet.json');
+ * loader.load((loader, resources) => {
+ *    // resources.bunny
+ *    // resources.spaceship
+ * });
  * @namespace PIXI.loaders
  */
-export { default as Loader } from './loader';
+export { Loader };
 export { default as bitmapFontParser, parse as parseBitmapFontData } from './bitmapFontParser';
-export { default as spritesheetParser } from './spritesheetParser';
+export { default as spritesheetParser, getResourcePath } from './spritesheetParser';
 export { default as textureParser } from './textureParser';
 
 /**
@@ -13,3 +26,55 @@
  * @memberof PIXI.loaders
  */
 export { Resource } from 'resource-loader';
+
+/**
+ * A premade instance of the loader that can be used to load resources.
+ * @name shared
+ * @memberof PIXI.loaders
+ * @type {PIXI.loaders.Loader}
+ */
+const shared = new Loader();
+
+shared.destroy = () =>
+{
+    // protect destroying shared loader
+};
+
+export { shared };
+
+// Mixin the loader construction
+const AppPrototype = Application.prototype;
+
+AppPrototype._loader = null;
+
+/**
+ * Loader instance to help with asset loading.
+ * @name PIXI.Application#loader
+ * @type {PIXI.loaders.Loader}
+ */
+Object.defineProperty(AppPrototype, 'loader', {
+    get()
+    {
+        if (!this._loader)
+        {
+            const sharedLoader = this._options.sharedLoader;
+
+            this._loader = sharedLoader ? shared : new Loader();
+        }
+
+        return this._loader;
+    },
+});
+
+// Override the destroy function
+// making sure to destroy the current Loader
+AppPrototype._parentDestroy = AppPrototype.destroy;
+AppPrototype.destroy = function destroy()
+{
+    if (this._loader)
+    {
+        this._loader.destroy();
+        this._loader = null;
+    }
+    this._parentDestroy();
+};
diff --git a/src/loaders/loader.js b/src/loaders/loader.js
index 767a411..59b8000 100644
--- a/src/loaders/loader.js
+++ b/src/loaders/loader.js
@@ -90,6 +90,15 @@
     {
         Loader._pixiMiddleware.push(fn);
     }
+
+    /**
+     * Destroy the loader, removes references.
+     */
+    destroy()
+    {
+        this.removeAllListeners();
+        this.reset();
+    }
 }
 
 // Copy EE3 prototype (mixin)
diff --git a/src/loaders/spritesheetParser.js b/src/loaders/spritesheetParser.js
index e57dfb2..eda9584 100644
--- a/src/loaders/spritesheetParser.js
+++ b/src/loaders/spritesheetParser.js
@@ -1,12 +1,11 @@
 import { Resource } from 'resource-loader';
-import path from 'path';
+import url from 'url';
 import { Spritesheet } from '../core';
 
 export default function ()
 {
     return function spritesheetParser(resource, next)
     {
-        let resourcePath;
         const imageResourceName = `${resource.name}_image`;
 
         // skip if no data, its not json, it isn't spritesheet data, or the image resource already exists
@@ -28,15 +27,7 @@
             parentResource: resource,
         };
 
-        // Prepend url path unless the resource image is a data url
-        if (resource.isDataUrl)
-        {
-            resourcePath = resource.data.meta.image;
-        }
-        else
-        {
-            resourcePath = `${path.dirname(resource.url.replace(this.baseUrl, ''))}/${resource.data.meta.image}`;
-        }
+        const resourcePath = getResourcePath(resource, this.baseUrl);
 
         // load the image for this sheet
         this.add(imageResourceName, resourcePath, loadOptions, function onImageLoad(res)
@@ -56,3 +47,14 @@
         });
     };
 }
+
+export function getResourcePath(resource, baseUrl)
+{
+    // Prepend url path unless the resource image is a data url
+    if (resource.isDataUrl)
+    {
+        return resource.data.meta.image;
+    }
+
+    return url.resolve(resource.url.replace(baseUrl, ''), resource.data.meta.image);
+}
diff --git a/src/mesh/canvas/CanvasMeshRenderer.js b/src/mesh/canvas/CanvasMeshRenderer.js
index 297205f..f7899e1 100644
--- a/src/mesh/canvas/CanvasMeshRenderer.js
+++ b/src/mesh/canvas/CanvasMeshRenderer.js
@@ -134,12 +134,33 @@
         const textureWidth = base.width;
         const textureHeight = base.height;
 
-        const u0 = uvs[index0] * base.width;
-        const u1 = uvs[index1] * base.width;
-        const u2 = uvs[index2] * base.width;
-        const v0 = uvs[index0 + 1] * base.height;
-        const v1 = uvs[index1 + 1] * base.height;
-        const v2 = uvs[index2 + 1] * base.height;
+        let u0;
+        let u1;
+        let u2;
+        let v0;
+        let v1;
+        let v2;
+
+        if (mesh.uploadUvTransform)
+        {
+            const ut = mesh._uvTransform.mapCoord;
+
+            u0 = ((uvs[index0] * ut.a) + (uvs[index0 + 1] * ut.c) + ut.tx) * base.width;
+            u1 = ((uvs[index1] * ut.a) + (uvs[index1 + 1] * ut.c) + ut.tx) * base.width;
+            u2 = ((uvs[index2] * ut.a) + (uvs[index2 + 1] * ut.c) + ut.tx) * base.width;
+            v0 = ((uvs[index0] * ut.b) + (uvs[index0 + 1] * ut.d) + ut.ty) * base.height;
+            v1 = ((uvs[index1] * ut.b) + (uvs[index1 + 1] * ut.d) + ut.ty) * base.height;
+            v2 = ((uvs[index2] * ut.b) + (uvs[index2 + 1] * ut.d) + ut.ty) * base.height;
+        }
+        else
+        {
+            u0 = uvs[index0] * base.width;
+            u1 = uvs[index1] * base.width;
+            u2 = uvs[index2] * base.width;
+            v0 = uvs[index0 + 1] * base.height;
+            v1 = uvs[index1 + 1] * base.height;
+            v2 = uvs[index2 + 1] * base.height;
+        }
 
         let x0 = vertices[index0];
         let x1 = vertices[index1];
diff --git a/src/mesh/webgl/MeshRenderer.js b/src/mesh/webgl/MeshRenderer.js
index 78d24c3..ab99fcd 100644
--- a/src/mesh/webgl/MeshRenderer.js
+++ b/src/mesh/webgl/MeshRenderer.js
@@ -2,6 +2,8 @@
 
 const byteSizeMap = { 5126: 4, 5123: 2, 5121: 1 };
 
+const matrixIdentity = core.Matrix.IDENTITY;
+
 /**
  * WebGL renderer plugin for tiling sprites
  *
@@ -64,6 +66,7 @@
         mesh.geometry.glVertexArrayObjects[this.CONTEXT_UID].draw(mesh.drawMode, mesh.size, mesh.start, mesh.geometry.instanceCount);
     }
 
+
     /**
      * draws mesh
      * @param {PIXI.mesh.RawMesh} mesh mesh instance
diff --git a/src/mesh/webgl/mesh.vert b/src/mesh/webgl/mesh.vert
index a337aef..acc096c 100644
--- a/src/mesh/webgl/mesh.vert
+++ b/src/mesh/webgl/mesh.vert
@@ -1,8 +1,9 @@
 attribute vec2 aVertexPosition;
 attribute vec2 aTextureCoord;
 
-uniform mat3 translationMatrix;
 uniform mat3 projectionMatrix;
+uniform mat3 translationMatrix;
+uniform mat3 uTransform;
 
 varying vec2 vTextureCoord;
 
@@ -10,5 +11,5 @@
 {
     gl_Position = vec4((projectionMatrix * translationMatrix * vec3(aVertexPosition, 1.0)).xy, 0.0, 1.0);
 
-    vTextureCoord = aTextureCoord;
+    vTextureCoord = (uTransform * vec3(aTextureCoord, 1.0)).xy;
 }
diff --git a/src/particles/ParticleContainer.js b/src/particles/ParticleContainer.js
index 67796cf..63f7791 100644
--- a/src/particles/ParticleContainer.js
+++ b/src/particles/ParticleContainer.js
@@ -313,10 +313,10 @@
                 frame.y * resolution,
                 frame.width * resolution,
                 frame.height * resolution,
-                positionX * resolution,
-                positionY * resolution,
-                finalWidth * resolution,
-                finalHeight * resolution
+                positionX * renderer.resolution,
+                positionY * renderer.resolution,
+                finalWidth * renderer.resolution,
+                finalHeight * renderer.resolution
             );
         }
     }
diff --git a/src/prepare/BasePrepare.js b/src/prepare/BasePrepare.js
index 09eb5e5..e45c4dc 100644
--- a/src/prepare/BasePrepare.js
+++ b/src/prepare/BasePrepare.js
@@ -18,6 +18,18 @@
  * basic queuing functionality and is extended by {@link PIXI.prepare.WebGLPrepare} and {@link PIXI.prepare.CanvasPrepare}
  * to provide preparation capabilities specific to their respective renderers.
  *
+ * @example
+ * // Create a sprite
+ * const sprite = new PIXI.Sprite.fromImage('something.png');
+ *
+ * // Load object into GPU
+ * app.renderer.plugins.prepare.upload(sprite, () => {
+ *
+ *     //Texture(s) has been uploaded to GPU
+ *     app.stage.addChild(sprite);
+ *
+ * })
+ *
  * @abstract
  * @class
  * @memberof PIXI.prepare
@@ -100,8 +112,16 @@
             this.prepareItems();
         };
 
-        this.register(findText, drawText);
-        this.register(findTextStyle, calculateTextStyle);
+        // hooks to find the correct texture
+        this.registerFindHook(findText);
+        this.registerFindHook(findTextStyle);
+        this.registerFindHook(findMultipleBaseTextures);
+        this.registerFindHook(findBaseTexture);
+        this.registerFindHook(findTexture);
+
+        // upload hooks
+        this.registerUploadHook(drawText);
+        this.registerUploadHook(calculateTextStyle);
     }
 
     /**
@@ -138,7 +158,7 @@
             if (!this.ticking)
             {
                 this.ticking = true;
-                SharedTicker.addOnce(this.tick, this);
+                SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
             }
         }
         else if (done)
@@ -172,13 +192,16 @@
             const item = this.queue[0];
             let uploaded = false;
 
-            for (let i = 0, len = this.uploadHooks.length; i < len; i++)
+            if (item && !item._destroyed)
             {
-                if (this.uploadHooks[i](this.uploadHookHelper, item))
+                for (let i = 0, len = this.uploadHooks.length; i < len; i++)
                 {
-                    this.queue.shift();
-                    uploaded = true;
-                    break;
+                    if (this.uploadHooks[i](this.uploadHookHelper, item))
+                    {
+                        this.queue.shift();
+                        uploaded = true;
+                        break;
+                    }
                 }
             }
 
@@ -205,26 +228,36 @@
         else
         {
             // if we are not finished, on the next rAF do this again
-            SharedTicker.addOnce(this.tick, this);
+            SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
         }
     }
 
     /**
-     * Adds hooks for finding and uploading items.
+     * Adds hooks for finding items.
      *
-     * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
-              function must return `true` if it was able to add item to the queue.
-     * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
-     *        function must return `true` if it was able to handle upload of item.
-     * @return {PIXI.CanvasPrepare} Instance of plugin for chaining.
+     * @param {Function} addHook - Function call that takes two parameters: `item:*, queue:Array`
+     *          function must return `true` if it was able to add item to the queue.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
      */
-    register(addHook, uploadHook)
+    registerFindHook(addHook)
     {
         if (addHook)
         {
             this.addHooks.push(addHook);
         }
 
+        return this;
+    }
+
+    /**
+     * Adds hooks for uploading items.
+     *
+     * @param {Function} uploadHook - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+     *          function must return `true` if it was able to handle upload of item.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+     */
+    registerUploadHook(uploadHook)
+    {
         if (uploadHook)
         {
             this.uploadHooks.push(uploadHook);
@@ -287,6 +320,88 @@
 }
 
 /**
+ * Built-in hook to find multiple textures from objects like AnimatedSprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findMultipleBaseTextures(item, queue)
+{
+    let result = false;
+
+    // Objects with mutliple textures
+    if (item && item._textures && item._textures.length)
+    {
+        for (let i = 0; i < item._textures.length; i++)
+        {
+            if (item._textures[i] instanceof core.Texture)
+            {
+                const baseTexture = item._textures[i].baseTexture;
+
+                if (queue.indexOf(baseTexture) === -1)
+                {
+                    queue.push(baseTexture);
+                    result = true;
+                }
+            }
+        }
+    }
+
+    return result;
+}
+
+/**
+ * Built-in hook to find BaseTextures from Sprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findBaseTexture(item, queue)
+{
+    // Objects with textures, like Sprites/Text
+    if (item instanceof core.BaseTexture)
+    {
+        if (queue.indexOf(item) === -1)
+        {
+            queue.push(item);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
+ * Built-in hook to find textures from objects.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findTexture(item, queue)
+{
+    if (item._texture && item._texture instanceof core.Texture)
+    {
+        const texture = item._texture.baseTexture;
+
+        if (queue.indexOf(texture) === -1)
+        {
+            queue.push(texture);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
  * Built-in hook to draw PIXI.Text to its texture.
  *
  * @private
diff --git a/src/prepare/canvas/CanvasPrepare.js b/src/prepare/canvas/CanvasPrepare.js
index 0224bb5..09c207a 100644
--- a/src/prepare/canvas/CanvasPrepare.js
+++ b/src/prepare/canvas/CanvasPrepare.js
@@ -43,7 +43,7 @@
         this.ctx = this.canvas.getContext('2d');
 
         // Add textures to upload
-        this.register(findBaseTextures, uploadBaseTextures);
+        this.registerUploadHook(uploadBaseTextures);
     }
 
     /**
@@ -89,39 +89,4 @@
     return false;
 }
 
-/**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item  -Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
 core.CanvasRenderer.registerPlugin('prepare', CanvasPrepare);
diff --git a/src/prepare/index.js b/src/prepare/index.js
index f559c45..e7491ec 100644
--- a/src/prepare/index.js
+++ b/src/prepare/index.js
@@ -1,4 +1,29 @@
 /**
+ * The prepare namespace provides renderer-specific plugins for pre-rendering DisplayObjects. These plugins are useful for
+ * asynchronously preparing assets, textures, graphics waiting to be displayed.
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ * document.body.appendChild(app.view);
+ *
+ * // Don't start rendering right away
+ * app.stop();
+ *
+ * // create a display object
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add to the stage
+ * app.stage.addChild(rect);
+ *
+ * // Don't start rendering until the graphic is uploaded to the GPU
+ * app.renderer.plugins.prepare.upload(app.stage, () => {
+ *     app.start();
+ * });
  * @namespace PIXI.prepare
  */
 export { default as webgl } from './webgl/WebGLPrepare';
diff --git a/src/prepare/webgl/WebGLPrepare.js b/src/prepare/webgl/WebGLPrepare.js
index eb7023f..9df3c3f 100644
--- a/src/prepare/webgl/WebGLPrepare.js
+++ b/src/prepare/webgl/WebGLPrepare.js
@@ -22,12 +22,11 @@
         this.uploadHookHelper = this.renderer;
 
         // Add textures and graphics to upload
-        this.register(findBaseTextures, uploadBaseTextures)
-            .register(findGraphics, uploadGraphics);
+        this.registerFindHook(findGraphics);
+        this.registerUploadHook(uploadBaseTextures);
+        this.registerUploadHook(uploadGraphics);
     }
-
 }
-
 /**
  * Built-in hook to upload PIXI.Texture objects to the GPU.
  *
@@ -80,41 +79,6 @@
 }
 
 /**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item - Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
-/**
  * Built-in hook to find graphics.
  *
  * @private
diff --git a/test/.eslintrc.json b/test/.eslintrc.json
index e03220d..ac12110 100644
--- a/test/.eslintrc.json
+++ b/test/.eslintrc.json
@@ -12,7 +12,8 @@
         "sinon": false,
         "expect": false,
         "assert": false,
-        "PIXI": false
+        "PIXI": false,
+        "PointerEvent": true
     },
     "rules": {
         "func-names": 0,

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line
diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 02d53a3..449f8cc 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -30,7 +30,10 @@
         /**
          * When passed to an event handler, this will be the original DOM Event that was captured
          *
-         * @member {Event}
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+         * @member {MouseEvent|TouchEvent|PointerEvent}
          */
         this.originalEvent = null;
     }
diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 8baf13a..2d75c7c 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -13,6 +13,14 @@
 
 const MOUSE_POINTER_ID = 'MOUSE';
 
+// helpers for hitTest() - only used inside hitTest()
+const hitTestEvent = {
+    target: null,
+    data: {
+        global: null,
+    },
+};
+
 /**
  * The interaction manager deals with mouse, touch and pointer events. Any DisplayObject can be interactive
  * if its interactive parameter is set to true
@@ -245,67 +253,60 @@
         this.setTargetElement(this.renderer.view, this.renderer.resolution);
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed on the display
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display
          * object.
          *
-         * @event mousedown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * on the display object.
          *
-         * @event rightdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released over the display
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
          * object.
          *
-         * @event mouseup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is released
          * over the display object.
          *
-         * @event rightup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed and released on
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
          * the display object.
          *
-         * @event click
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * and released on the display object.
          *
-         * @event rightclick
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released outside the
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
          * display object that initially registered a
          * [mousedown]{@link PIXI.interaction.InteractionManager#event:mousedown}.
          *
-         * @event mouseupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
@@ -313,146 +314,362 @@
          * outside the display object that initially registered a
          * [rightdown]{@link PIXI.interaction.InteractionManager#event:rightdown}.
          *
-         * @event rightupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved while over the display object
          *
-         * @event mousemove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved onto the display object
          *
-         * @event mouseover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved off the display object
          *
-         * @event mouseout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed on the display object.
          *
-         * @event pointerdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released over the display object.
          *
-         * @event pointerup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a pointer event
          *
-         * @event pointercancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed and released on the display object.
          *
-         * @event pointertap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released outside the display object that initially
          * registered a [pointerdown]{@link PIXI.interaction.InteractionManager#event:pointerdown}.
          *
-         * @event pointerupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved while over the display object
          *
-         * @event pointermove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved onto the display object
          *
-         * @event pointerover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved off the display object
          *
-         * @event pointerout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed on the display object.
          *
-         * @event touchstart
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed from the display object.
          *
-         * @event touchend
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a touch
          *
-         * @event touchcancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed and removed from the display object.
          *
-         * @event tap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed outside of the display object that initially
          * registered a [touchstart]{@link PIXI.interaction.InteractionManager#event:touchstart}.
          *
-         * @event touchendoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is moved along the display object.
          *
-         * @event touchmove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display.
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * over the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
+         * the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * and released on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
+         * display object that initially registered a
+         * [mousedown]{@link PIXI.DisplayObject#event:mousedown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * outside the display object that initially registered a
+         * [rightdown]{@link PIXI.DisplayObject#event:rightdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a pointer event.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed and released on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released outside the display object that initially
+         * registered a [pointerdown]{@link PIXI.DisplayObject#event:pointerdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a touch.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed and removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed outside of the display object that initially
+         * registered a [touchstart]{@link PIXI.DisplayObject#event:touchstart}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is moved along the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+    }
+
+    /**
+     * Hit tests a point against the display tree, returning the first interactive object that is hit.
+     *
+     * @param {PIXI.Point} globalPoint - A point to hit test with, in global space.
+     * @param {PIXI.Container} [root] - The root display object to start from. If omitted, defaults
+     * to the last rendered root of the associated renderer.
+     * @return {PIXI.DisplayObject} The hit display object, if any.
+     */
+    hitTest(globalPoint, root)
+    {
+        // clear the target for our hit test
+        hitTestEvent.target = null;
+        // assign the global point
+        hitTestEvent.data.global = globalPoint;
+        // ensure safety of the root
+        if (!root)
+        {
+            root = this.renderer._lastObjectRendered;
+        }
+        // run the hit test
+        this.processInteractive(hitTestEvent, root, null, true);
+        // return our found object - it'll be null if we didn't hit anything
+
+        return hitTestEvent.target;
     }
 
     /**
@@ -487,7 +704,7 @@
             return;
         }
 
-        core.ticker.shared.add(this.update, this);
+        core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.INTERACTION);
 
         if (window.navigator.msPointerEnabled)
         {
@@ -804,8 +1021,6 @@
             }
         }
 
-        let keepHitTestingAfterChildren = hitTest;
-
         // ** FREE TIP **! If an object is not interactive or has no buttons in it
         // (such as a game scene!) set interactiveChildren to false for that displayObject.
         // This will allow pixi to completely ignore and bypass checking the displayObjects children.
@@ -818,7 +1033,9 @@
                 const child = children[i];
 
                 // time to get recursive.. if this function will return if something is hit..
-                if (this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent))
+                const childHit = this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent);
+
+                if (childHit)
                 {
                     // its a good idea to check if a child has lost its parent.
                     // this means it has been removed whilst looping so its best
@@ -827,8 +1044,6 @@
                         continue;
                     }
 
-                    hit = true;
-
                     // we no longer need to hit test any more objects in this container as we we
                     // now know the parent has been hit
                     interactiveParent = false;
@@ -838,36 +1053,41 @@
                     // This means we no longer need to hit test anything else. We still need to run
                     // through all objects, but we don't need to perform any hit tests.
 
-                    keepHitTestingAfterChildren = false;
-
-                    if (child.interactive)
+                    if (childHit)
                     {
-                        hitTest = false;
+                        if (interactionEvent.target)
+                        {
+                            hitTest = false;
+                        }
+                        hit = true;
                     }
-
-                    // we can break now as we have hit an object.
                 }
             }
         }
 
-        hitTest = keepHitTestingAfterChildren;
-
         // no point running this if the item is not interactive or does not have an interactive parent.
         if (interactive)
         {
             // if we are hit testing (as in we have no hit any objects yet)
             // We also don't need to worry about hit testing if once of the displayObjects children
-            // has already been hit!
-            if (hitTest && !hit)
+            // has already been hit - but only if it was interactive, otherwise we need to keep
+            // looking for an interactive child, just in case we hit one
+            if (hitTest && !interactionEvent.target)
             {
                 if (displayObject.hitArea)
                 {
                     displayObject.worldTransform.applyInverse(point, this._tempPoint);
-                    hit = displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y);
+                    if (displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y))
+                    {
+                        hit = true;
+                    }
                 }
                 else if (displayObject.containsPoint)
                 {
-                    hit = displayObject.containsPoint(point);
+                    if (displayObject.containsPoint(point))
+                    {
+                        hit = true;
+                    }
                 }
             }
 
@@ -878,7 +1098,10 @@
                     interactionEvent.target = displayObject;
                 }
 
-                func(interactionEvent, displayObject, hit);
+                if (func)
+                {
+                    func(interactionEvent, displayObject, !!hit);
+                }
             }
         }
 
@@ -914,7 +1137,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -998,7 +1221,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1098,7 +1321,7 @@
 
             const test = isRightButton ? flags.RIGHT_DOWN : flags.LEFT_DOWN;
 
-            const isDown = trackingData !== undefined && (trackingData.flags | test);
+            const isDown = trackingData !== undefined && (trackingData.flags & test);
 
             if (hit)
             {
@@ -1118,11 +1341,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }
@@ -1180,7 +1403,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1255,7 +1478,7 @@
             this.setCursorMode(null);
         }
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1268,6 +1491,12 @@
         {
             this.emit('mouseout', interactionEvent);
         }
+        else
+        {
+            // we can get touchleave events after touchend, so we want to make sure we don't
+            // introduce memory leaks
+            this.releaseInteractionDataForPointerId(interactionData.identifier);
+        }
     }
 
     /**
@@ -1344,7 +1573,7 @@
         // Only mouse and pointer can call onPointerOver, so events will always be length 1
         const event = events[0];
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1366,12 +1595,14 @@
      * Get InteractionData for a given pointerId. Store that data as well
      *
      * @private
-     * @param {number} pointerId - Identifier from a pointer event
+     * @param {PointerEvent} event - Normalized pointer event, output from normalizeToPointerData
      * @return {InteractionData} - Interaction data for the given pointer identifier
      */
-    getInteractionDataForPointerId(pointerId)
+    getInteractionDataForPointerId(event)
     {
-        if (pointerId === MOUSE_POINTER_ID)
+        const pointerId = event.pointerId;
+
+        if (pointerId === MOUSE_POINTER_ID || event.pointerType === 'mouse')
         {
             return this.mouse;
         }
diff --git a/src/interaction/InteractionTrackingData.js b/src/interaction/InteractionTrackingData.js
index 6a1f69e..8493b63 100644
--- a/src/interaction/InteractionTrackingData.js
+++ b/src/interaction/InteractionTrackingData.js
@@ -35,8 +35,10 @@
     }
 
     /**
+     * Unique pointer id of the event
+     *
      * @readonly
-     * @type {number} Unique pointer id of the event
+     * @member {number}
      */
     get pointerId()
     {
diff --git a/src/interaction/index.js b/src/interaction/index.js
index 56c5b09..72f7d71 100644
--- a/src/interaction/index.js
+++ b/src/interaction/index.js
@@ -1,4 +1,8 @@
 /**
+ * This namespace contains a renderer plugin for handling mouse, pointer, and touch events.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.interaction
  */
 export { default as InteractionData } from './InteractionData';
diff --git a/src/interaction/interactiveTarget.js b/src/interaction/interactiveTarget.js
index d252fba..cebac40 100644
--- a/src/interaction/interactiveTarget.js
+++ b/src/interaction/interactiveTarget.js
@@ -2,7 +2,7 @@
  * Default property values of interactive objects
  * Used by {@link PIXI.interaction.InteractionManager} to automatically give all DisplayObjects these properties
  *
- * @mixin
+ * @private
  * @name interactiveTarget
  * @memberof PIXI.interaction
  * @example
@@ -14,18 +14,28 @@
  *      );
  */
 export default {
+
     /**
-     * Determines if the displayObject be clicked/touched
+     * Enable interaction events for the DisplayObject. Touch, pointer and mouse
+     * events will not be emitted unless `interactive` is set to `true`.
      *
-     * @inner {boolean}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.on('tap', (event) => {
+     *    //handle event
+     * });
+     * @member {boolean}
+     * @memberof PIXI.DisplayObject#
      */
     interactive: false,
 
     /**
      * Determines if the children to the displayObject can be clicked/touched
-     * Setting this to false allows pixi to bypass a recursive hitTest function
+     * Setting this to false allows pixi to bypass a recursive `hitTest` function
      *
-     * @inner {boolean}
+     * @member {boolean}
+     * @memberof PIXI.Container#
      */
     interactiveChildren: true,
 
@@ -33,7 +43,12 @@
      * Interaction shape. Children will be hit first, then this shape will be checked.
      * Setting this will cause this shape to be checked in hit tests rather than the displayObject's bounds.
      *
-     * @inner {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.hitArea = new PIXI.Rectangle(0, 0, 100, 100);
+     * @member {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @memberof PIXI.DisplayObject#
      */
     hitArea: null,
 
@@ -41,8 +56,12 @@
      * If enabled, the mouse cursor use the pointer behavior when hovered over the displayObject if it is interactive
      * Setting this changes the 'cursor' property to `'pointer'`.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.buttonMode = true;
      * @member {boolean}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      */
     get buttonMode()
     {
@@ -64,9 +83,14 @@
      * This defines what cursor mode is used when the mouse cursor
      * is hovered over the displayObject.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.cursor = 'wait';
      * @see https://developer.mozilla.org/en/docs/Web/CSS/cursor
      *
-     * @inner {string}
+     * @member {string}
+     * @memberof PIXI.DisplayObject#
      */
     cursor: null,
 
@@ -74,7 +98,7 @@
      * Internal set of all active pointers, by identifier
      *
      * @member {Map<number, InteractionTrackingData>}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      * @private
      */
     get trackedPointers()
@@ -87,7 +111,8 @@
     /**
      * Map of all tracked pointers, by identifier. Use trackedPointers to access.
      *
-     * @private {Map<number, InteractionTrackingData>}
+     * @private
+     * @type {Map<number, InteractionTrackingData>}
      */
     _trackedPointers: undefined,
 };
diff --git a/src/loaders/index.js b/src/loaders/index.js
index 5189793..daa1fc4 100644
--- a/src/loaders/index.js
+++ b/src/loaders/index.js
@@ -1,9 +1,22 @@
+import Application from '../core/Application';
+import Loader from './loader';
+
 /**
+ * This namespace contains APIs which extends the {@link https://github.com/englercj/resource-loader resource-loader} module
+ * for loading assets, data, and other resources dynamically.
+ * @example
+ * const loader = new PIXI.loaders.Loader();
+ * loader.add('bunny', 'data/bunny.png')
+ *       .add('spaceship', 'assets/spritesheet.json');
+ * loader.load((loader, resources) => {
+ *    // resources.bunny
+ *    // resources.spaceship
+ * });
  * @namespace PIXI.loaders
  */
-export { default as Loader } from './loader';
+export { Loader };
 export { default as bitmapFontParser, parse as parseBitmapFontData } from './bitmapFontParser';
-export { default as spritesheetParser } from './spritesheetParser';
+export { default as spritesheetParser, getResourcePath } from './spritesheetParser';
 export { default as textureParser } from './textureParser';
 
 /**
@@ -13,3 +26,55 @@
  * @memberof PIXI.loaders
  */
 export { Resource } from 'resource-loader';
+
+/**
+ * A premade instance of the loader that can be used to load resources.
+ * @name shared
+ * @memberof PIXI.loaders
+ * @type {PIXI.loaders.Loader}
+ */
+const shared = new Loader();
+
+shared.destroy = () =>
+{
+    // protect destroying shared loader
+};
+
+export { shared };
+
+// Mixin the loader construction
+const AppPrototype = Application.prototype;
+
+AppPrototype._loader = null;
+
+/**
+ * Loader instance to help with asset loading.
+ * @name PIXI.Application#loader
+ * @type {PIXI.loaders.Loader}
+ */
+Object.defineProperty(AppPrototype, 'loader', {
+    get()
+    {
+        if (!this._loader)
+        {
+            const sharedLoader = this._options.sharedLoader;
+
+            this._loader = sharedLoader ? shared : new Loader();
+        }
+
+        return this._loader;
+    },
+});
+
+// Override the destroy function
+// making sure to destroy the current Loader
+AppPrototype._parentDestroy = AppPrototype.destroy;
+AppPrototype.destroy = function destroy()
+{
+    if (this._loader)
+    {
+        this._loader.destroy();
+        this._loader = null;
+    }
+    this._parentDestroy();
+};
diff --git a/src/loaders/loader.js b/src/loaders/loader.js
index 767a411..59b8000 100644
--- a/src/loaders/loader.js
+++ b/src/loaders/loader.js
@@ -90,6 +90,15 @@
     {
         Loader._pixiMiddleware.push(fn);
     }
+
+    /**
+     * Destroy the loader, removes references.
+     */
+    destroy()
+    {
+        this.removeAllListeners();
+        this.reset();
+    }
 }
 
 // Copy EE3 prototype (mixin)
diff --git a/src/loaders/spritesheetParser.js b/src/loaders/spritesheetParser.js
index e57dfb2..eda9584 100644
--- a/src/loaders/spritesheetParser.js
+++ b/src/loaders/spritesheetParser.js
@@ -1,12 +1,11 @@
 import { Resource } from 'resource-loader';
-import path from 'path';
+import url from 'url';
 import { Spritesheet } from '../core';
 
 export default function ()
 {
     return function spritesheetParser(resource, next)
     {
-        let resourcePath;
         const imageResourceName = `${resource.name}_image`;
 
         // skip if no data, its not json, it isn't spritesheet data, or the image resource already exists
@@ -28,15 +27,7 @@
             parentResource: resource,
         };
 
-        // Prepend url path unless the resource image is a data url
-        if (resource.isDataUrl)
-        {
-            resourcePath = resource.data.meta.image;
-        }
-        else
-        {
-            resourcePath = `${path.dirname(resource.url.replace(this.baseUrl, ''))}/${resource.data.meta.image}`;
-        }
+        const resourcePath = getResourcePath(resource, this.baseUrl);
 
         // load the image for this sheet
         this.add(imageResourceName, resourcePath, loadOptions, function onImageLoad(res)
@@ -56,3 +47,14 @@
         });
     };
 }
+
+export function getResourcePath(resource, baseUrl)
+{
+    // Prepend url path unless the resource image is a data url
+    if (resource.isDataUrl)
+    {
+        return resource.data.meta.image;
+    }
+
+    return url.resolve(resource.url.replace(baseUrl, ''), resource.data.meta.image);
+}
diff --git a/src/mesh/canvas/CanvasMeshRenderer.js b/src/mesh/canvas/CanvasMeshRenderer.js
index 297205f..f7899e1 100644
--- a/src/mesh/canvas/CanvasMeshRenderer.js
+++ b/src/mesh/canvas/CanvasMeshRenderer.js
@@ -134,12 +134,33 @@
         const textureWidth = base.width;
         const textureHeight = base.height;
 
-        const u0 = uvs[index0] * base.width;
-        const u1 = uvs[index1] * base.width;
-        const u2 = uvs[index2] * base.width;
-        const v0 = uvs[index0 + 1] * base.height;
-        const v1 = uvs[index1 + 1] * base.height;
-        const v2 = uvs[index2 + 1] * base.height;
+        let u0;
+        let u1;
+        let u2;
+        let v0;
+        let v1;
+        let v2;
+
+        if (mesh.uploadUvTransform)
+        {
+            const ut = mesh._uvTransform.mapCoord;
+
+            u0 = ((uvs[index0] * ut.a) + (uvs[index0 + 1] * ut.c) + ut.tx) * base.width;
+            u1 = ((uvs[index1] * ut.a) + (uvs[index1 + 1] * ut.c) + ut.tx) * base.width;
+            u2 = ((uvs[index2] * ut.a) + (uvs[index2 + 1] * ut.c) + ut.tx) * base.width;
+            v0 = ((uvs[index0] * ut.b) + (uvs[index0 + 1] * ut.d) + ut.ty) * base.height;
+            v1 = ((uvs[index1] * ut.b) + (uvs[index1 + 1] * ut.d) + ut.ty) * base.height;
+            v2 = ((uvs[index2] * ut.b) + (uvs[index2 + 1] * ut.d) + ut.ty) * base.height;
+        }
+        else
+        {
+            u0 = uvs[index0] * base.width;
+            u1 = uvs[index1] * base.width;
+            u2 = uvs[index2] * base.width;
+            v0 = uvs[index0 + 1] * base.height;
+            v1 = uvs[index1 + 1] * base.height;
+            v2 = uvs[index2 + 1] * base.height;
+        }
 
         let x0 = vertices[index0];
         let x1 = vertices[index1];
diff --git a/src/mesh/webgl/MeshRenderer.js b/src/mesh/webgl/MeshRenderer.js
index 78d24c3..ab99fcd 100644
--- a/src/mesh/webgl/MeshRenderer.js
+++ b/src/mesh/webgl/MeshRenderer.js
@@ -2,6 +2,8 @@
 
 const byteSizeMap = { 5126: 4, 5123: 2, 5121: 1 };
 
+const matrixIdentity = core.Matrix.IDENTITY;
+
 /**
  * WebGL renderer plugin for tiling sprites
  *
@@ -64,6 +66,7 @@
         mesh.geometry.glVertexArrayObjects[this.CONTEXT_UID].draw(mesh.drawMode, mesh.size, mesh.start, mesh.geometry.instanceCount);
     }
 
+
     /**
      * draws mesh
      * @param {PIXI.mesh.RawMesh} mesh mesh instance
diff --git a/src/mesh/webgl/mesh.vert b/src/mesh/webgl/mesh.vert
index a337aef..acc096c 100644
--- a/src/mesh/webgl/mesh.vert
+++ b/src/mesh/webgl/mesh.vert
@@ -1,8 +1,9 @@
 attribute vec2 aVertexPosition;
 attribute vec2 aTextureCoord;
 
-uniform mat3 translationMatrix;
 uniform mat3 projectionMatrix;
+uniform mat3 translationMatrix;
+uniform mat3 uTransform;
 
 varying vec2 vTextureCoord;
 
@@ -10,5 +11,5 @@
 {
     gl_Position = vec4((projectionMatrix * translationMatrix * vec3(aVertexPosition, 1.0)).xy, 0.0, 1.0);
 
-    vTextureCoord = aTextureCoord;
+    vTextureCoord = (uTransform * vec3(aTextureCoord, 1.0)).xy;
 }
diff --git a/src/particles/ParticleContainer.js b/src/particles/ParticleContainer.js
index 67796cf..63f7791 100644
--- a/src/particles/ParticleContainer.js
+++ b/src/particles/ParticleContainer.js
@@ -313,10 +313,10 @@
                 frame.y * resolution,
                 frame.width * resolution,
                 frame.height * resolution,
-                positionX * resolution,
-                positionY * resolution,
-                finalWidth * resolution,
-                finalHeight * resolution
+                positionX * renderer.resolution,
+                positionY * renderer.resolution,
+                finalWidth * renderer.resolution,
+                finalHeight * renderer.resolution
             );
         }
     }
diff --git a/src/prepare/BasePrepare.js b/src/prepare/BasePrepare.js
index 09eb5e5..e45c4dc 100644
--- a/src/prepare/BasePrepare.js
+++ b/src/prepare/BasePrepare.js
@@ -18,6 +18,18 @@
  * basic queuing functionality and is extended by {@link PIXI.prepare.WebGLPrepare} and {@link PIXI.prepare.CanvasPrepare}
  * to provide preparation capabilities specific to their respective renderers.
  *
+ * @example
+ * // Create a sprite
+ * const sprite = new PIXI.Sprite.fromImage('something.png');
+ *
+ * // Load object into GPU
+ * app.renderer.plugins.prepare.upload(sprite, () => {
+ *
+ *     //Texture(s) has been uploaded to GPU
+ *     app.stage.addChild(sprite);
+ *
+ * })
+ *
  * @abstract
  * @class
  * @memberof PIXI.prepare
@@ -100,8 +112,16 @@
             this.prepareItems();
         };
 
-        this.register(findText, drawText);
-        this.register(findTextStyle, calculateTextStyle);
+        // hooks to find the correct texture
+        this.registerFindHook(findText);
+        this.registerFindHook(findTextStyle);
+        this.registerFindHook(findMultipleBaseTextures);
+        this.registerFindHook(findBaseTexture);
+        this.registerFindHook(findTexture);
+
+        // upload hooks
+        this.registerUploadHook(drawText);
+        this.registerUploadHook(calculateTextStyle);
     }
 
     /**
@@ -138,7 +158,7 @@
             if (!this.ticking)
             {
                 this.ticking = true;
-                SharedTicker.addOnce(this.tick, this);
+                SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
             }
         }
         else if (done)
@@ -172,13 +192,16 @@
             const item = this.queue[0];
             let uploaded = false;
 
-            for (let i = 0, len = this.uploadHooks.length; i < len; i++)
+            if (item && !item._destroyed)
             {
-                if (this.uploadHooks[i](this.uploadHookHelper, item))
+                for (let i = 0, len = this.uploadHooks.length; i < len; i++)
                 {
-                    this.queue.shift();
-                    uploaded = true;
-                    break;
+                    if (this.uploadHooks[i](this.uploadHookHelper, item))
+                    {
+                        this.queue.shift();
+                        uploaded = true;
+                        break;
+                    }
                 }
             }
 
@@ -205,26 +228,36 @@
         else
         {
             // if we are not finished, on the next rAF do this again
-            SharedTicker.addOnce(this.tick, this);
+            SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
         }
     }
 
     /**
-     * Adds hooks for finding and uploading items.
+     * Adds hooks for finding items.
      *
-     * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
-              function must return `true` if it was able to add item to the queue.
-     * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
-     *        function must return `true` if it was able to handle upload of item.
-     * @return {PIXI.CanvasPrepare} Instance of plugin for chaining.
+     * @param {Function} addHook - Function call that takes two parameters: `item:*, queue:Array`
+     *          function must return `true` if it was able to add item to the queue.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
      */
-    register(addHook, uploadHook)
+    registerFindHook(addHook)
     {
         if (addHook)
         {
             this.addHooks.push(addHook);
         }
 
+        return this;
+    }
+
+    /**
+     * Adds hooks for uploading items.
+     *
+     * @param {Function} uploadHook - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+     *          function must return `true` if it was able to handle upload of item.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+     */
+    registerUploadHook(uploadHook)
+    {
         if (uploadHook)
         {
             this.uploadHooks.push(uploadHook);
@@ -287,6 +320,88 @@
 }
 
 /**
+ * Built-in hook to find multiple textures from objects like AnimatedSprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findMultipleBaseTextures(item, queue)
+{
+    let result = false;
+
+    // Objects with mutliple textures
+    if (item && item._textures && item._textures.length)
+    {
+        for (let i = 0; i < item._textures.length; i++)
+        {
+            if (item._textures[i] instanceof core.Texture)
+            {
+                const baseTexture = item._textures[i].baseTexture;
+
+                if (queue.indexOf(baseTexture) === -1)
+                {
+                    queue.push(baseTexture);
+                    result = true;
+                }
+            }
+        }
+    }
+
+    return result;
+}
+
+/**
+ * Built-in hook to find BaseTextures from Sprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findBaseTexture(item, queue)
+{
+    // Objects with textures, like Sprites/Text
+    if (item instanceof core.BaseTexture)
+    {
+        if (queue.indexOf(item) === -1)
+        {
+            queue.push(item);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
+ * Built-in hook to find textures from objects.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findTexture(item, queue)
+{
+    if (item._texture && item._texture instanceof core.Texture)
+    {
+        const texture = item._texture.baseTexture;
+
+        if (queue.indexOf(texture) === -1)
+        {
+            queue.push(texture);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
  * Built-in hook to draw PIXI.Text to its texture.
  *
  * @private
diff --git a/src/prepare/canvas/CanvasPrepare.js b/src/prepare/canvas/CanvasPrepare.js
index 0224bb5..09c207a 100644
--- a/src/prepare/canvas/CanvasPrepare.js
+++ b/src/prepare/canvas/CanvasPrepare.js
@@ -43,7 +43,7 @@
         this.ctx = this.canvas.getContext('2d');
 
         // Add textures to upload
-        this.register(findBaseTextures, uploadBaseTextures);
+        this.registerUploadHook(uploadBaseTextures);
     }
 
     /**
@@ -89,39 +89,4 @@
     return false;
 }
 
-/**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item  -Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
 core.CanvasRenderer.registerPlugin('prepare', CanvasPrepare);
diff --git a/src/prepare/index.js b/src/prepare/index.js
index f559c45..e7491ec 100644
--- a/src/prepare/index.js
+++ b/src/prepare/index.js
@@ -1,4 +1,29 @@
 /**
+ * The prepare namespace provides renderer-specific plugins for pre-rendering DisplayObjects. These plugins are useful for
+ * asynchronously preparing assets, textures, graphics waiting to be displayed.
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ * document.body.appendChild(app.view);
+ *
+ * // Don't start rendering right away
+ * app.stop();
+ *
+ * // create a display object
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add to the stage
+ * app.stage.addChild(rect);
+ *
+ * // Don't start rendering until the graphic is uploaded to the GPU
+ * app.renderer.plugins.prepare.upload(app.stage, () => {
+ *     app.start();
+ * });
  * @namespace PIXI.prepare
  */
 export { default as webgl } from './webgl/WebGLPrepare';
diff --git a/src/prepare/webgl/WebGLPrepare.js b/src/prepare/webgl/WebGLPrepare.js
index eb7023f..9df3c3f 100644
--- a/src/prepare/webgl/WebGLPrepare.js
+++ b/src/prepare/webgl/WebGLPrepare.js
@@ -22,12 +22,11 @@
         this.uploadHookHelper = this.renderer;
 
         // Add textures and graphics to upload
-        this.register(findBaseTextures, uploadBaseTextures)
-            .register(findGraphics, uploadGraphics);
+        this.registerFindHook(findGraphics);
+        this.registerUploadHook(uploadBaseTextures);
+        this.registerUploadHook(uploadGraphics);
     }
-
 }
-
 /**
  * Built-in hook to upload PIXI.Texture objects to the GPU.
  *
@@ -80,41 +79,6 @@
 }
 
 /**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item - Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
-/**
  * Built-in hook to find graphics.
  *
  * @private
diff --git a/test/.eslintrc.json b/test/.eslintrc.json
index e03220d..ac12110 100644
--- a/test/.eslintrc.json
+++ b/test/.eslintrc.json
@@ -12,7 +12,8 @@
         "sinon": false,
         "expect": false,
         "assert": false,
-        "PIXI": false
+        "PIXI": false,
+        "PointerEvent": true
     },
     "rules": {
         "func-names": 0,
diff --git a/test/core/BaseTexture.js b/test/core/BaseTexture.js
index 8b93478..bb65068 100644
--- a/test/core/BaseTexture.js
+++ b/test/core/BaseTexture.js
@@ -14,4 +14,28 @@
             expect(baseTexture.imageType).to.be.equals('png');
         });
     });
+
+    it('should remove Canvas BaseTexture from cache on destroy', function ()
+    {
+        const canvas = document.createElement('canvas');
+        const texture = PIXI.BaseTexture.fromCanvas(canvas);
+        const _pixiId = canvas._pixiId;
+
+        expect(PIXI.utils.BaseTextureCache[_pixiId]).to.equal(texture);
+        texture.destroy();
+        expect(PIXI.utils.BaseTextureCache[_pixiId]).to.equal(undefined);
+    });
+
+    it('should remove Image BaseTexture from cache on destroy', function ()
+    {
+        const URL = 'foo.png';
+        const NAME = 'bar';
+        const image = new Image();
+
+        const texture = PIXI.Texture.fromLoader(image, URL, NAME);
+
+        expect(PIXI.utils.BaseTextureCache[NAME]).to.equal(texture.baseTexture);
+        texture.destroy(true);
+        expect(PIXI.utils.BaseTextureCache[NAME]).to.equal(undefined);
+    });
 });

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line
diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 02d53a3..449f8cc 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -30,7 +30,10 @@
         /**
          * When passed to an event handler, this will be the original DOM Event that was captured
          *
-         * @member {Event}
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+         * @member {MouseEvent|TouchEvent|PointerEvent}
          */
         this.originalEvent = null;
     }
diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 8baf13a..2d75c7c 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -13,6 +13,14 @@
 
 const MOUSE_POINTER_ID = 'MOUSE';
 
+// helpers for hitTest() - only used inside hitTest()
+const hitTestEvent = {
+    target: null,
+    data: {
+        global: null,
+    },
+};
+
 /**
  * The interaction manager deals with mouse, touch and pointer events. Any DisplayObject can be interactive
  * if its interactive parameter is set to true
@@ -245,67 +253,60 @@
         this.setTargetElement(this.renderer.view, this.renderer.resolution);
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed on the display
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display
          * object.
          *
-         * @event mousedown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * on the display object.
          *
-         * @event rightdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released over the display
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
          * object.
          *
-         * @event mouseup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is released
          * over the display object.
          *
-         * @event rightup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed and released on
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
          * the display object.
          *
-         * @event click
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * and released on the display object.
          *
-         * @event rightclick
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released outside the
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
          * display object that initially registered a
          * [mousedown]{@link PIXI.interaction.InteractionManager#event:mousedown}.
          *
-         * @event mouseupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
@@ -313,146 +314,362 @@
          * outside the display object that initially registered a
          * [rightdown]{@link PIXI.interaction.InteractionManager#event:rightdown}.
          *
-         * @event rightupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved while over the display object
          *
-         * @event mousemove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved onto the display object
          *
-         * @event mouseover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved off the display object
          *
-         * @event mouseout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed on the display object.
          *
-         * @event pointerdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released over the display object.
          *
-         * @event pointerup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a pointer event
          *
-         * @event pointercancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed and released on the display object.
          *
-         * @event pointertap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released outside the display object that initially
          * registered a [pointerdown]{@link PIXI.interaction.InteractionManager#event:pointerdown}.
          *
-         * @event pointerupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved while over the display object
          *
-         * @event pointermove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved onto the display object
          *
-         * @event pointerover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved off the display object
          *
-         * @event pointerout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed on the display object.
          *
-         * @event touchstart
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed from the display object.
          *
-         * @event touchend
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a touch
          *
-         * @event touchcancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed and removed from the display object.
          *
-         * @event tap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed outside of the display object that initially
          * registered a [touchstart]{@link PIXI.interaction.InteractionManager#event:touchstart}.
          *
-         * @event touchendoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is moved along the display object.
          *
-         * @event touchmove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display.
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * over the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
+         * the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * and released on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
+         * display object that initially registered a
+         * [mousedown]{@link PIXI.DisplayObject#event:mousedown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * outside the display object that initially registered a
+         * [rightdown]{@link PIXI.DisplayObject#event:rightdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a pointer event.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed and released on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released outside the display object that initially
+         * registered a [pointerdown]{@link PIXI.DisplayObject#event:pointerdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a touch.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed and removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed outside of the display object that initially
+         * registered a [touchstart]{@link PIXI.DisplayObject#event:touchstart}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is moved along the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+    }
+
+    /**
+     * Hit tests a point against the display tree, returning the first interactive object that is hit.
+     *
+     * @param {PIXI.Point} globalPoint - A point to hit test with, in global space.
+     * @param {PIXI.Container} [root] - The root display object to start from. If omitted, defaults
+     * to the last rendered root of the associated renderer.
+     * @return {PIXI.DisplayObject} The hit display object, if any.
+     */
+    hitTest(globalPoint, root)
+    {
+        // clear the target for our hit test
+        hitTestEvent.target = null;
+        // assign the global point
+        hitTestEvent.data.global = globalPoint;
+        // ensure safety of the root
+        if (!root)
+        {
+            root = this.renderer._lastObjectRendered;
+        }
+        // run the hit test
+        this.processInteractive(hitTestEvent, root, null, true);
+        // return our found object - it'll be null if we didn't hit anything
+
+        return hitTestEvent.target;
     }
 
     /**
@@ -487,7 +704,7 @@
             return;
         }
 
-        core.ticker.shared.add(this.update, this);
+        core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.INTERACTION);
 
         if (window.navigator.msPointerEnabled)
         {
@@ -804,8 +1021,6 @@
             }
         }
 
-        let keepHitTestingAfterChildren = hitTest;
-
         // ** FREE TIP **! If an object is not interactive or has no buttons in it
         // (such as a game scene!) set interactiveChildren to false for that displayObject.
         // This will allow pixi to completely ignore and bypass checking the displayObjects children.
@@ -818,7 +1033,9 @@
                 const child = children[i];
 
                 // time to get recursive.. if this function will return if something is hit..
-                if (this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent))
+                const childHit = this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent);
+
+                if (childHit)
                 {
                     // its a good idea to check if a child has lost its parent.
                     // this means it has been removed whilst looping so its best
@@ -827,8 +1044,6 @@
                         continue;
                     }
 
-                    hit = true;
-
                     // we no longer need to hit test any more objects in this container as we we
                     // now know the parent has been hit
                     interactiveParent = false;
@@ -838,36 +1053,41 @@
                     // This means we no longer need to hit test anything else. We still need to run
                     // through all objects, but we don't need to perform any hit tests.
 
-                    keepHitTestingAfterChildren = false;
-
-                    if (child.interactive)
+                    if (childHit)
                     {
-                        hitTest = false;
+                        if (interactionEvent.target)
+                        {
+                            hitTest = false;
+                        }
+                        hit = true;
                     }
-
-                    // we can break now as we have hit an object.
                 }
             }
         }
 
-        hitTest = keepHitTestingAfterChildren;
-
         // no point running this if the item is not interactive or does not have an interactive parent.
         if (interactive)
         {
             // if we are hit testing (as in we have no hit any objects yet)
             // We also don't need to worry about hit testing if once of the displayObjects children
-            // has already been hit!
-            if (hitTest && !hit)
+            // has already been hit - but only if it was interactive, otherwise we need to keep
+            // looking for an interactive child, just in case we hit one
+            if (hitTest && !interactionEvent.target)
             {
                 if (displayObject.hitArea)
                 {
                     displayObject.worldTransform.applyInverse(point, this._tempPoint);
-                    hit = displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y);
+                    if (displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y))
+                    {
+                        hit = true;
+                    }
                 }
                 else if (displayObject.containsPoint)
                 {
-                    hit = displayObject.containsPoint(point);
+                    if (displayObject.containsPoint(point))
+                    {
+                        hit = true;
+                    }
                 }
             }
 
@@ -878,7 +1098,10 @@
                     interactionEvent.target = displayObject;
                 }
 
-                func(interactionEvent, displayObject, hit);
+                if (func)
+                {
+                    func(interactionEvent, displayObject, !!hit);
+                }
             }
         }
 
@@ -914,7 +1137,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -998,7 +1221,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1098,7 +1321,7 @@
 
             const test = isRightButton ? flags.RIGHT_DOWN : flags.LEFT_DOWN;
 
-            const isDown = trackingData !== undefined && (trackingData.flags | test);
+            const isDown = trackingData !== undefined && (trackingData.flags & test);
 
             if (hit)
             {
@@ -1118,11 +1341,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }
@@ -1180,7 +1403,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1255,7 +1478,7 @@
             this.setCursorMode(null);
         }
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1268,6 +1491,12 @@
         {
             this.emit('mouseout', interactionEvent);
         }
+        else
+        {
+            // we can get touchleave events after touchend, so we want to make sure we don't
+            // introduce memory leaks
+            this.releaseInteractionDataForPointerId(interactionData.identifier);
+        }
     }
 
     /**
@@ -1344,7 +1573,7 @@
         // Only mouse and pointer can call onPointerOver, so events will always be length 1
         const event = events[0];
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1366,12 +1595,14 @@
      * Get InteractionData for a given pointerId. Store that data as well
      *
      * @private
-     * @param {number} pointerId - Identifier from a pointer event
+     * @param {PointerEvent} event - Normalized pointer event, output from normalizeToPointerData
      * @return {InteractionData} - Interaction data for the given pointer identifier
      */
-    getInteractionDataForPointerId(pointerId)
+    getInteractionDataForPointerId(event)
     {
-        if (pointerId === MOUSE_POINTER_ID)
+        const pointerId = event.pointerId;
+
+        if (pointerId === MOUSE_POINTER_ID || event.pointerType === 'mouse')
         {
             return this.mouse;
         }
diff --git a/src/interaction/InteractionTrackingData.js b/src/interaction/InteractionTrackingData.js
index 6a1f69e..8493b63 100644
--- a/src/interaction/InteractionTrackingData.js
+++ b/src/interaction/InteractionTrackingData.js
@@ -35,8 +35,10 @@
     }
 
     /**
+     * Unique pointer id of the event
+     *
      * @readonly
-     * @type {number} Unique pointer id of the event
+     * @member {number}
      */
     get pointerId()
     {
diff --git a/src/interaction/index.js b/src/interaction/index.js
index 56c5b09..72f7d71 100644
--- a/src/interaction/index.js
+++ b/src/interaction/index.js
@@ -1,4 +1,8 @@
 /**
+ * This namespace contains a renderer plugin for handling mouse, pointer, and touch events.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.interaction
  */
 export { default as InteractionData } from './InteractionData';
diff --git a/src/interaction/interactiveTarget.js b/src/interaction/interactiveTarget.js
index d252fba..cebac40 100644
--- a/src/interaction/interactiveTarget.js
+++ b/src/interaction/interactiveTarget.js
@@ -2,7 +2,7 @@
  * Default property values of interactive objects
  * Used by {@link PIXI.interaction.InteractionManager} to automatically give all DisplayObjects these properties
  *
- * @mixin
+ * @private
  * @name interactiveTarget
  * @memberof PIXI.interaction
  * @example
@@ -14,18 +14,28 @@
  *      );
  */
 export default {
+
     /**
-     * Determines if the displayObject be clicked/touched
+     * Enable interaction events for the DisplayObject. Touch, pointer and mouse
+     * events will not be emitted unless `interactive` is set to `true`.
      *
-     * @inner {boolean}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.on('tap', (event) => {
+     *    //handle event
+     * });
+     * @member {boolean}
+     * @memberof PIXI.DisplayObject#
      */
     interactive: false,
 
     /**
      * Determines if the children to the displayObject can be clicked/touched
-     * Setting this to false allows pixi to bypass a recursive hitTest function
+     * Setting this to false allows pixi to bypass a recursive `hitTest` function
      *
-     * @inner {boolean}
+     * @member {boolean}
+     * @memberof PIXI.Container#
      */
     interactiveChildren: true,
 
@@ -33,7 +43,12 @@
      * Interaction shape. Children will be hit first, then this shape will be checked.
      * Setting this will cause this shape to be checked in hit tests rather than the displayObject's bounds.
      *
-     * @inner {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.hitArea = new PIXI.Rectangle(0, 0, 100, 100);
+     * @member {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @memberof PIXI.DisplayObject#
      */
     hitArea: null,
 
@@ -41,8 +56,12 @@
      * If enabled, the mouse cursor use the pointer behavior when hovered over the displayObject if it is interactive
      * Setting this changes the 'cursor' property to `'pointer'`.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.buttonMode = true;
      * @member {boolean}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      */
     get buttonMode()
     {
@@ -64,9 +83,14 @@
      * This defines what cursor mode is used when the mouse cursor
      * is hovered over the displayObject.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.cursor = 'wait';
      * @see https://developer.mozilla.org/en/docs/Web/CSS/cursor
      *
-     * @inner {string}
+     * @member {string}
+     * @memberof PIXI.DisplayObject#
      */
     cursor: null,
 
@@ -74,7 +98,7 @@
      * Internal set of all active pointers, by identifier
      *
      * @member {Map<number, InteractionTrackingData>}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      * @private
      */
     get trackedPointers()
@@ -87,7 +111,8 @@
     /**
      * Map of all tracked pointers, by identifier. Use trackedPointers to access.
      *
-     * @private {Map<number, InteractionTrackingData>}
+     * @private
+     * @type {Map<number, InteractionTrackingData>}
      */
     _trackedPointers: undefined,
 };
diff --git a/src/loaders/index.js b/src/loaders/index.js
index 5189793..daa1fc4 100644
--- a/src/loaders/index.js
+++ b/src/loaders/index.js
@@ -1,9 +1,22 @@
+import Application from '../core/Application';
+import Loader from './loader';
+
 /**
+ * This namespace contains APIs which extends the {@link https://github.com/englercj/resource-loader resource-loader} module
+ * for loading assets, data, and other resources dynamically.
+ * @example
+ * const loader = new PIXI.loaders.Loader();
+ * loader.add('bunny', 'data/bunny.png')
+ *       .add('spaceship', 'assets/spritesheet.json');
+ * loader.load((loader, resources) => {
+ *    // resources.bunny
+ *    // resources.spaceship
+ * });
  * @namespace PIXI.loaders
  */
-export { default as Loader } from './loader';
+export { Loader };
 export { default as bitmapFontParser, parse as parseBitmapFontData } from './bitmapFontParser';
-export { default as spritesheetParser } from './spritesheetParser';
+export { default as spritesheetParser, getResourcePath } from './spritesheetParser';
 export { default as textureParser } from './textureParser';
 
 /**
@@ -13,3 +26,55 @@
  * @memberof PIXI.loaders
  */
 export { Resource } from 'resource-loader';
+
+/**
+ * A premade instance of the loader that can be used to load resources.
+ * @name shared
+ * @memberof PIXI.loaders
+ * @type {PIXI.loaders.Loader}
+ */
+const shared = new Loader();
+
+shared.destroy = () =>
+{
+    // protect destroying shared loader
+};
+
+export { shared };
+
+// Mixin the loader construction
+const AppPrototype = Application.prototype;
+
+AppPrototype._loader = null;
+
+/**
+ * Loader instance to help with asset loading.
+ * @name PIXI.Application#loader
+ * @type {PIXI.loaders.Loader}
+ */
+Object.defineProperty(AppPrototype, 'loader', {
+    get()
+    {
+        if (!this._loader)
+        {
+            const sharedLoader = this._options.sharedLoader;
+
+            this._loader = sharedLoader ? shared : new Loader();
+        }
+
+        return this._loader;
+    },
+});
+
+// Override the destroy function
+// making sure to destroy the current Loader
+AppPrototype._parentDestroy = AppPrototype.destroy;
+AppPrototype.destroy = function destroy()
+{
+    if (this._loader)
+    {
+        this._loader.destroy();
+        this._loader = null;
+    }
+    this._parentDestroy();
+};
diff --git a/src/loaders/loader.js b/src/loaders/loader.js
index 767a411..59b8000 100644
--- a/src/loaders/loader.js
+++ b/src/loaders/loader.js
@@ -90,6 +90,15 @@
     {
         Loader._pixiMiddleware.push(fn);
     }
+
+    /**
+     * Destroy the loader, removes references.
+     */
+    destroy()
+    {
+        this.removeAllListeners();
+        this.reset();
+    }
 }
 
 // Copy EE3 prototype (mixin)
diff --git a/src/loaders/spritesheetParser.js b/src/loaders/spritesheetParser.js
index e57dfb2..eda9584 100644
--- a/src/loaders/spritesheetParser.js
+++ b/src/loaders/spritesheetParser.js
@@ -1,12 +1,11 @@
 import { Resource } from 'resource-loader';
-import path from 'path';
+import url from 'url';
 import { Spritesheet } from '../core';
 
 export default function ()
 {
     return function spritesheetParser(resource, next)
     {
-        let resourcePath;
         const imageResourceName = `${resource.name}_image`;
 
         // skip if no data, its not json, it isn't spritesheet data, or the image resource already exists
@@ -28,15 +27,7 @@
             parentResource: resource,
         };
 
-        // Prepend url path unless the resource image is a data url
-        if (resource.isDataUrl)
-        {
-            resourcePath = resource.data.meta.image;
-        }
-        else
-        {
-            resourcePath = `${path.dirname(resource.url.replace(this.baseUrl, ''))}/${resource.data.meta.image}`;
-        }
+        const resourcePath = getResourcePath(resource, this.baseUrl);
 
         // load the image for this sheet
         this.add(imageResourceName, resourcePath, loadOptions, function onImageLoad(res)
@@ -56,3 +47,14 @@
         });
     };
 }
+
+export function getResourcePath(resource, baseUrl)
+{
+    // Prepend url path unless the resource image is a data url
+    if (resource.isDataUrl)
+    {
+        return resource.data.meta.image;
+    }
+
+    return url.resolve(resource.url.replace(baseUrl, ''), resource.data.meta.image);
+}
diff --git a/src/mesh/canvas/CanvasMeshRenderer.js b/src/mesh/canvas/CanvasMeshRenderer.js
index 297205f..f7899e1 100644
--- a/src/mesh/canvas/CanvasMeshRenderer.js
+++ b/src/mesh/canvas/CanvasMeshRenderer.js
@@ -134,12 +134,33 @@
         const textureWidth = base.width;
         const textureHeight = base.height;
 
-        const u0 = uvs[index0] * base.width;
-        const u1 = uvs[index1] * base.width;
-        const u2 = uvs[index2] * base.width;
-        const v0 = uvs[index0 + 1] * base.height;
-        const v1 = uvs[index1 + 1] * base.height;
-        const v2 = uvs[index2 + 1] * base.height;
+        let u0;
+        let u1;
+        let u2;
+        let v0;
+        let v1;
+        let v2;
+
+        if (mesh.uploadUvTransform)
+        {
+            const ut = mesh._uvTransform.mapCoord;
+
+            u0 = ((uvs[index0] * ut.a) + (uvs[index0 + 1] * ut.c) + ut.tx) * base.width;
+            u1 = ((uvs[index1] * ut.a) + (uvs[index1 + 1] * ut.c) + ut.tx) * base.width;
+            u2 = ((uvs[index2] * ut.a) + (uvs[index2 + 1] * ut.c) + ut.tx) * base.width;
+            v0 = ((uvs[index0] * ut.b) + (uvs[index0 + 1] * ut.d) + ut.ty) * base.height;
+            v1 = ((uvs[index1] * ut.b) + (uvs[index1 + 1] * ut.d) + ut.ty) * base.height;
+            v2 = ((uvs[index2] * ut.b) + (uvs[index2 + 1] * ut.d) + ut.ty) * base.height;
+        }
+        else
+        {
+            u0 = uvs[index0] * base.width;
+            u1 = uvs[index1] * base.width;
+            u2 = uvs[index2] * base.width;
+            v0 = uvs[index0 + 1] * base.height;
+            v1 = uvs[index1 + 1] * base.height;
+            v2 = uvs[index2 + 1] * base.height;
+        }
 
         let x0 = vertices[index0];
         let x1 = vertices[index1];
diff --git a/src/mesh/webgl/MeshRenderer.js b/src/mesh/webgl/MeshRenderer.js
index 78d24c3..ab99fcd 100644
--- a/src/mesh/webgl/MeshRenderer.js
+++ b/src/mesh/webgl/MeshRenderer.js
@@ -2,6 +2,8 @@
 
 const byteSizeMap = { 5126: 4, 5123: 2, 5121: 1 };
 
+const matrixIdentity = core.Matrix.IDENTITY;
+
 /**
  * WebGL renderer plugin for tiling sprites
  *
@@ -64,6 +66,7 @@
         mesh.geometry.glVertexArrayObjects[this.CONTEXT_UID].draw(mesh.drawMode, mesh.size, mesh.start, mesh.geometry.instanceCount);
     }
 
+
     /**
      * draws mesh
      * @param {PIXI.mesh.RawMesh} mesh mesh instance
diff --git a/src/mesh/webgl/mesh.vert b/src/mesh/webgl/mesh.vert
index a337aef..acc096c 100644
--- a/src/mesh/webgl/mesh.vert
+++ b/src/mesh/webgl/mesh.vert
@@ -1,8 +1,9 @@
 attribute vec2 aVertexPosition;
 attribute vec2 aTextureCoord;
 
-uniform mat3 translationMatrix;
 uniform mat3 projectionMatrix;
+uniform mat3 translationMatrix;
+uniform mat3 uTransform;
 
 varying vec2 vTextureCoord;
 
@@ -10,5 +11,5 @@
 {
     gl_Position = vec4((projectionMatrix * translationMatrix * vec3(aVertexPosition, 1.0)).xy, 0.0, 1.0);
 
-    vTextureCoord = aTextureCoord;
+    vTextureCoord = (uTransform * vec3(aTextureCoord, 1.0)).xy;
 }
diff --git a/src/particles/ParticleContainer.js b/src/particles/ParticleContainer.js
index 67796cf..63f7791 100644
--- a/src/particles/ParticleContainer.js
+++ b/src/particles/ParticleContainer.js
@@ -313,10 +313,10 @@
                 frame.y * resolution,
                 frame.width * resolution,
                 frame.height * resolution,
-                positionX * resolution,
-                positionY * resolution,
-                finalWidth * resolution,
-                finalHeight * resolution
+                positionX * renderer.resolution,
+                positionY * renderer.resolution,
+                finalWidth * renderer.resolution,
+                finalHeight * renderer.resolution
             );
         }
     }
diff --git a/src/prepare/BasePrepare.js b/src/prepare/BasePrepare.js
index 09eb5e5..e45c4dc 100644
--- a/src/prepare/BasePrepare.js
+++ b/src/prepare/BasePrepare.js
@@ -18,6 +18,18 @@
  * basic queuing functionality and is extended by {@link PIXI.prepare.WebGLPrepare} and {@link PIXI.prepare.CanvasPrepare}
  * to provide preparation capabilities specific to their respective renderers.
  *
+ * @example
+ * // Create a sprite
+ * const sprite = new PIXI.Sprite.fromImage('something.png');
+ *
+ * // Load object into GPU
+ * app.renderer.plugins.prepare.upload(sprite, () => {
+ *
+ *     //Texture(s) has been uploaded to GPU
+ *     app.stage.addChild(sprite);
+ *
+ * })
+ *
  * @abstract
  * @class
  * @memberof PIXI.prepare
@@ -100,8 +112,16 @@
             this.prepareItems();
         };
 
-        this.register(findText, drawText);
-        this.register(findTextStyle, calculateTextStyle);
+        // hooks to find the correct texture
+        this.registerFindHook(findText);
+        this.registerFindHook(findTextStyle);
+        this.registerFindHook(findMultipleBaseTextures);
+        this.registerFindHook(findBaseTexture);
+        this.registerFindHook(findTexture);
+
+        // upload hooks
+        this.registerUploadHook(drawText);
+        this.registerUploadHook(calculateTextStyle);
     }
 
     /**
@@ -138,7 +158,7 @@
             if (!this.ticking)
             {
                 this.ticking = true;
-                SharedTicker.addOnce(this.tick, this);
+                SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
             }
         }
         else if (done)
@@ -172,13 +192,16 @@
             const item = this.queue[0];
             let uploaded = false;
 
-            for (let i = 0, len = this.uploadHooks.length; i < len; i++)
+            if (item && !item._destroyed)
             {
-                if (this.uploadHooks[i](this.uploadHookHelper, item))
+                for (let i = 0, len = this.uploadHooks.length; i < len; i++)
                 {
-                    this.queue.shift();
-                    uploaded = true;
-                    break;
+                    if (this.uploadHooks[i](this.uploadHookHelper, item))
+                    {
+                        this.queue.shift();
+                        uploaded = true;
+                        break;
+                    }
                 }
             }
 
@@ -205,26 +228,36 @@
         else
         {
             // if we are not finished, on the next rAF do this again
-            SharedTicker.addOnce(this.tick, this);
+            SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
         }
     }
 
     /**
-     * Adds hooks for finding and uploading items.
+     * Adds hooks for finding items.
      *
-     * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
-              function must return `true` if it was able to add item to the queue.
-     * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
-     *        function must return `true` if it was able to handle upload of item.
-     * @return {PIXI.CanvasPrepare} Instance of plugin for chaining.
+     * @param {Function} addHook - Function call that takes two parameters: `item:*, queue:Array`
+     *          function must return `true` if it was able to add item to the queue.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
      */
-    register(addHook, uploadHook)
+    registerFindHook(addHook)
     {
         if (addHook)
         {
             this.addHooks.push(addHook);
         }
 
+        return this;
+    }
+
+    /**
+     * Adds hooks for uploading items.
+     *
+     * @param {Function} uploadHook - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+     *          function must return `true` if it was able to handle upload of item.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+     */
+    registerUploadHook(uploadHook)
+    {
         if (uploadHook)
         {
             this.uploadHooks.push(uploadHook);
@@ -287,6 +320,88 @@
 }
 
 /**
+ * Built-in hook to find multiple textures from objects like AnimatedSprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findMultipleBaseTextures(item, queue)
+{
+    let result = false;
+
+    // Objects with mutliple textures
+    if (item && item._textures && item._textures.length)
+    {
+        for (let i = 0; i < item._textures.length; i++)
+        {
+            if (item._textures[i] instanceof core.Texture)
+            {
+                const baseTexture = item._textures[i].baseTexture;
+
+                if (queue.indexOf(baseTexture) === -1)
+                {
+                    queue.push(baseTexture);
+                    result = true;
+                }
+            }
+        }
+    }
+
+    return result;
+}
+
+/**
+ * Built-in hook to find BaseTextures from Sprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findBaseTexture(item, queue)
+{
+    // Objects with textures, like Sprites/Text
+    if (item instanceof core.BaseTexture)
+    {
+        if (queue.indexOf(item) === -1)
+        {
+            queue.push(item);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
+ * Built-in hook to find textures from objects.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findTexture(item, queue)
+{
+    if (item._texture && item._texture instanceof core.Texture)
+    {
+        const texture = item._texture.baseTexture;
+
+        if (queue.indexOf(texture) === -1)
+        {
+            queue.push(texture);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
  * Built-in hook to draw PIXI.Text to its texture.
  *
  * @private
diff --git a/src/prepare/canvas/CanvasPrepare.js b/src/prepare/canvas/CanvasPrepare.js
index 0224bb5..09c207a 100644
--- a/src/prepare/canvas/CanvasPrepare.js
+++ b/src/prepare/canvas/CanvasPrepare.js
@@ -43,7 +43,7 @@
         this.ctx = this.canvas.getContext('2d');
 
         // Add textures to upload
-        this.register(findBaseTextures, uploadBaseTextures);
+        this.registerUploadHook(uploadBaseTextures);
     }
 
     /**
@@ -89,39 +89,4 @@
     return false;
 }
 
-/**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item  -Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
 core.CanvasRenderer.registerPlugin('prepare', CanvasPrepare);
diff --git a/src/prepare/index.js b/src/prepare/index.js
index f559c45..e7491ec 100644
--- a/src/prepare/index.js
+++ b/src/prepare/index.js
@@ -1,4 +1,29 @@
 /**
+ * The prepare namespace provides renderer-specific plugins for pre-rendering DisplayObjects. These plugins are useful for
+ * asynchronously preparing assets, textures, graphics waiting to be displayed.
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ * document.body.appendChild(app.view);
+ *
+ * // Don't start rendering right away
+ * app.stop();
+ *
+ * // create a display object
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add to the stage
+ * app.stage.addChild(rect);
+ *
+ * // Don't start rendering until the graphic is uploaded to the GPU
+ * app.renderer.plugins.prepare.upload(app.stage, () => {
+ *     app.start();
+ * });
  * @namespace PIXI.prepare
  */
 export { default as webgl } from './webgl/WebGLPrepare';
diff --git a/src/prepare/webgl/WebGLPrepare.js b/src/prepare/webgl/WebGLPrepare.js
index eb7023f..9df3c3f 100644
--- a/src/prepare/webgl/WebGLPrepare.js
+++ b/src/prepare/webgl/WebGLPrepare.js
@@ -22,12 +22,11 @@
         this.uploadHookHelper = this.renderer;
 
         // Add textures and graphics to upload
-        this.register(findBaseTextures, uploadBaseTextures)
-            .register(findGraphics, uploadGraphics);
+        this.registerFindHook(findGraphics);
+        this.registerUploadHook(uploadBaseTextures);
+        this.registerUploadHook(uploadGraphics);
     }
-
 }
-
 /**
  * Built-in hook to upload PIXI.Texture objects to the GPU.
  *
@@ -80,41 +79,6 @@
 }
 
 /**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item - Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
-/**
  * Built-in hook to find graphics.
  *
  * @private
diff --git a/test/.eslintrc.json b/test/.eslintrc.json
index e03220d..ac12110 100644
--- a/test/.eslintrc.json
+++ b/test/.eslintrc.json
@@ -12,7 +12,8 @@
         "sinon": false,
         "expect": false,
         "assert": false,
-        "PIXI": false
+        "PIXI": false,
+        "PointerEvent": true
     },
     "rules": {
         "func-names": 0,
diff --git a/test/core/BaseTexture.js b/test/core/BaseTexture.js
index 8b93478..bb65068 100644
--- a/test/core/BaseTexture.js
+++ b/test/core/BaseTexture.js
@@ -14,4 +14,28 @@
             expect(baseTexture.imageType).to.be.equals('png');
         });
     });
+
+    it('should remove Canvas BaseTexture from cache on destroy', function ()
+    {
+        const canvas = document.createElement('canvas');
+        const texture = PIXI.BaseTexture.fromCanvas(canvas);
+        const _pixiId = canvas._pixiId;
+
+        expect(PIXI.utils.BaseTextureCache[_pixiId]).to.equal(texture);
+        texture.destroy();
+        expect(PIXI.utils.BaseTextureCache[_pixiId]).to.equal(undefined);
+    });
+
+    it('should remove Image BaseTexture from cache on destroy', function ()
+    {
+        const URL = 'foo.png';
+        const NAME = 'bar';
+        const image = new Image();
+
+        const texture = PIXI.Texture.fromLoader(image, URL, NAME);
+
+        expect(PIXI.utils.BaseTextureCache[NAME]).to.equal(texture.baseTexture);
+        texture.destroy(true);
+        expect(PIXI.utils.BaseTextureCache[NAME]).to.equal(undefined);
+    });
 });
diff --git a/test/core/Circle.js b/test/core/Circle.js
index 183f98f..f621992 100644
--- a/test/core/Circle.js
+++ b/test/core/Circle.js
@@ -53,6 +53,10 @@
         expect(circ1.contains(10, 16)).to.be.false;
         expect(circ1.contains(11, 15)).to.be.false;
         expect(circ1.contains(0, 0)).to.be.false;
+
+        const circ2 = new PIXI.Circle(10, 10, 0);
+
+        expect(circ2.contains(10, 10)).to.be.false;
     });
 
     it('should return framing rectangle', function ()

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line
diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 02d53a3..449f8cc 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -30,7 +30,10 @@
         /**
          * When passed to an event handler, this will be the original DOM Event that was captured
          *
-         * @member {Event}
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+         * @member {MouseEvent|TouchEvent|PointerEvent}
          */
         this.originalEvent = null;
     }
diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 8baf13a..2d75c7c 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -13,6 +13,14 @@
 
 const MOUSE_POINTER_ID = 'MOUSE';
 
+// helpers for hitTest() - only used inside hitTest()
+const hitTestEvent = {
+    target: null,
+    data: {
+        global: null,
+    },
+};
+
 /**
  * The interaction manager deals with mouse, touch and pointer events. Any DisplayObject can be interactive
  * if its interactive parameter is set to true
@@ -245,67 +253,60 @@
         this.setTargetElement(this.renderer.view, this.renderer.resolution);
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed on the display
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display
          * object.
          *
-         * @event mousedown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * on the display object.
          *
-         * @event rightdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released over the display
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
          * object.
          *
-         * @event mouseup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is released
          * over the display object.
          *
-         * @event rightup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed and released on
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
          * the display object.
          *
-         * @event click
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * and released on the display object.
          *
-         * @event rightclick
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released outside the
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
          * display object that initially registered a
          * [mousedown]{@link PIXI.interaction.InteractionManager#event:mousedown}.
          *
-         * @event mouseupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
@@ -313,146 +314,362 @@
          * outside the display object that initially registered a
          * [rightdown]{@link PIXI.interaction.InteractionManager#event:rightdown}.
          *
-         * @event rightupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved while over the display object
          *
-         * @event mousemove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved onto the display object
          *
-         * @event mouseover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved off the display object
          *
-         * @event mouseout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed on the display object.
          *
-         * @event pointerdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released over the display object.
          *
-         * @event pointerup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a pointer event
          *
-         * @event pointercancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed and released on the display object.
          *
-         * @event pointertap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released outside the display object that initially
          * registered a [pointerdown]{@link PIXI.interaction.InteractionManager#event:pointerdown}.
          *
-         * @event pointerupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved while over the display object
          *
-         * @event pointermove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved onto the display object
          *
-         * @event pointerover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved off the display object
          *
-         * @event pointerout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed on the display object.
          *
-         * @event touchstart
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed from the display object.
          *
-         * @event touchend
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a touch
          *
-         * @event touchcancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed and removed from the display object.
          *
-         * @event tap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed outside of the display object that initially
          * registered a [touchstart]{@link PIXI.interaction.InteractionManager#event:touchstart}.
          *
-         * @event touchendoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is moved along the display object.
          *
-         * @event touchmove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display.
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * over the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
+         * the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * and released on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
+         * display object that initially registered a
+         * [mousedown]{@link PIXI.DisplayObject#event:mousedown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * outside the display object that initially registered a
+         * [rightdown]{@link PIXI.DisplayObject#event:rightdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a pointer event.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed and released on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released outside the display object that initially
+         * registered a [pointerdown]{@link PIXI.DisplayObject#event:pointerdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a touch.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed and removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed outside of the display object that initially
+         * registered a [touchstart]{@link PIXI.DisplayObject#event:touchstart}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is moved along the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+    }
+
+    /**
+     * Hit tests a point against the display tree, returning the first interactive object that is hit.
+     *
+     * @param {PIXI.Point} globalPoint - A point to hit test with, in global space.
+     * @param {PIXI.Container} [root] - The root display object to start from. If omitted, defaults
+     * to the last rendered root of the associated renderer.
+     * @return {PIXI.DisplayObject} The hit display object, if any.
+     */
+    hitTest(globalPoint, root)
+    {
+        // clear the target for our hit test
+        hitTestEvent.target = null;
+        // assign the global point
+        hitTestEvent.data.global = globalPoint;
+        // ensure safety of the root
+        if (!root)
+        {
+            root = this.renderer._lastObjectRendered;
+        }
+        // run the hit test
+        this.processInteractive(hitTestEvent, root, null, true);
+        // return our found object - it'll be null if we didn't hit anything
+
+        return hitTestEvent.target;
     }
 
     /**
@@ -487,7 +704,7 @@
             return;
         }
 
-        core.ticker.shared.add(this.update, this);
+        core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.INTERACTION);
 
         if (window.navigator.msPointerEnabled)
         {
@@ -804,8 +1021,6 @@
             }
         }
 
-        let keepHitTestingAfterChildren = hitTest;
-
         // ** FREE TIP **! If an object is not interactive or has no buttons in it
         // (such as a game scene!) set interactiveChildren to false for that displayObject.
         // This will allow pixi to completely ignore and bypass checking the displayObjects children.
@@ -818,7 +1033,9 @@
                 const child = children[i];
 
                 // time to get recursive.. if this function will return if something is hit..
-                if (this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent))
+                const childHit = this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent);
+
+                if (childHit)
                 {
                     // its a good idea to check if a child has lost its parent.
                     // this means it has been removed whilst looping so its best
@@ -827,8 +1044,6 @@
                         continue;
                     }
 
-                    hit = true;
-
                     // we no longer need to hit test any more objects in this container as we we
                     // now know the parent has been hit
                     interactiveParent = false;
@@ -838,36 +1053,41 @@
                     // This means we no longer need to hit test anything else. We still need to run
                     // through all objects, but we don't need to perform any hit tests.
 
-                    keepHitTestingAfterChildren = false;
-
-                    if (child.interactive)
+                    if (childHit)
                     {
-                        hitTest = false;
+                        if (interactionEvent.target)
+                        {
+                            hitTest = false;
+                        }
+                        hit = true;
                     }
-
-                    // we can break now as we have hit an object.
                 }
             }
         }
 
-        hitTest = keepHitTestingAfterChildren;
-
         // no point running this if the item is not interactive or does not have an interactive parent.
         if (interactive)
         {
             // if we are hit testing (as in we have no hit any objects yet)
             // We also don't need to worry about hit testing if once of the displayObjects children
-            // has already been hit!
-            if (hitTest && !hit)
+            // has already been hit - but only if it was interactive, otherwise we need to keep
+            // looking for an interactive child, just in case we hit one
+            if (hitTest && !interactionEvent.target)
             {
                 if (displayObject.hitArea)
                 {
                     displayObject.worldTransform.applyInverse(point, this._tempPoint);
-                    hit = displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y);
+                    if (displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y))
+                    {
+                        hit = true;
+                    }
                 }
                 else if (displayObject.containsPoint)
                 {
-                    hit = displayObject.containsPoint(point);
+                    if (displayObject.containsPoint(point))
+                    {
+                        hit = true;
+                    }
                 }
             }
 
@@ -878,7 +1098,10 @@
                     interactionEvent.target = displayObject;
                 }
 
-                func(interactionEvent, displayObject, hit);
+                if (func)
+                {
+                    func(interactionEvent, displayObject, !!hit);
+                }
             }
         }
 
@@ -914,7 +1137,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -998,7 +1221,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1098,7 +1321,7 @@
 
             const test = isRightButton ? flags.RIGHT_DOWN : flags.LEFT_DOWN;
 
-            const isDown = trackingData !== undefined && (trackingData.flags | test);
+            const isDown = trackingData !== undefined && (trackingData.flags & test);
 
             if (hit)
             {
@@ -1118,11 +1341,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }
@@ -1180,7 +1403,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1255,7 +1478,7 @@
             this.setCursorMode(null);
         }
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1268,6 +1491,12 @@
         {
             this.emit('mouseout', interactionEvent);
         }
+        else
+        {
+            // we can get touchleave events after touchend, so we want to make sure we don't
+            // introduce memory leaks
+            this.releaseInteractionDataForPointerId(interactionData.identifier);
+        }
     }
 
     /**
@@ -1344,7 +1573,7 @@
         // Only mouse and pointer can call onPointerOver, so events will always be length 1
         const event = events[0];
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1366,12 +1595,14 @@
      * Get InteractionData for a given pointerId. Store that data as well
      *
      * @private
-     * @param {number} pointerId - Identifier from a pointer event
+     * @param {PointerEvent} event - Normalized pointer event, output from normalizeToPointerData
      * @return {InteractionData} - Interaction data for the given pointer identifier
      */
-    getInteractionDataForPointerId(pointerId)
+    getInteractionDataForPointerId(event)
     {
-        if (pointerId === MOUSE_POINTER_ID)
+        const pointerId = event.pointerId;
+
+        if (pointerId === MOUSE_POINTER_ID || event.pointerType === 'mouse')
         {
             return this.mouse;
         }
diff --git a/src/interaction/InteractionTrackingData.js b/src/interaction/InteractionTrackingData.js
index 6a1f69e..8493b63 100644
--- a/src/interaction/InteractionTrackingData.js
+++ b/src/interaction/InteractionTrackingData.js
@@ -35,8 +35,10 @@
     }
 
     /**
+     * Unique pointer id of the event
+     *
      * @readonly
-     * @type {number} Unique pointer id of the event
+     * @member {number}
      */
     get pointerId()
     {
diff --git a/src/interaction/index.js b/src/interaction/index.js
index 56c5b09..72f7d71 100644
--- a/src/interaction/index.js
+++ b/src/interaction/index.js
@@ -1,4 +1,8 @@
 /**
+ * This namespace contains a renderer plugin for handling mouse, pointer, and touch events.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.interaction
  */
 export { default as InteractionData } from './InteractionData';
diff --git a/src/interaction/interactiveTarget.js b/src/interaction/interactiveTarget.js
index d252fba..cebac40 100644
--- a/src/interaction/interactiveTarget.js
+++ b/src/interaction/interactiveTarget.js
@@ -2,7 +2,7 @@
  * Default property values of interactive objects
  * Used by {@link PIXI.interaction.InteractionManager} to automatically give all DisplayObjects these properties
  *
- * @mixin
+ * @private
  * @name interactiveTarget
  * @memberof PIXI.interaction
  * @example
@@ -14,18 +14,28 @@
  *      );
  */
 export default {
+
     /**
-     * Determines if the displayObject be clicked/touched
+     * Enable interaction events for the DisplayObject. Touch, pointer and mouse
+     * events will not be emitted unless `interactive` is set to `true`.
      *
-     * @inner {boolean}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.on('tap', (event) => {
+     *    //handle event
+     * });
+     * @member {boolean}
+     * @memberof PIXI.DisplayObject#
      */
     interactive: false,
 
     /**
      * Determines if the children to the displayObject can be clicked/touched
-     * Setting this to false allows pixi to bypass a recursive hitTest function
+     * Setting this to false allows pixi to bypass a recursive `hitTest` function
      *
-     * @inner {boolean}
+     * @member {boolean}
+     * @memberof PIXI.Container#
      */
     interactiveChildren: true,
 
@@ -33,7 +43,12 @@
      * Interaction shape. Children will be hit first, then this shape will be checked.
      * Setting this will cause this shape to be checked in hit tests rather than the displayObject's bounds.
      *
-     * @inner {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.hitArea = new PIXI.Rectangle(0, 0, 100, 100);
+     * @member {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @memberof PIXI.DisplayObject#
      */
     hitArea: null,
 
@@ -41,8 +56,12 @@
      * If enabled, the mouse cursor use the pointer behavior when hovered over the displayObject if it is interactive
      * Setting this changes the 'cursor' property to `'pointer'`.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.buttonMode = true;
      * @member {boolean}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      */
     get buttonMode()
     {
@@ -64,9 +83,14 @@
      * This defines what cursor mode is used when the mouse cursor
      * is hovered over the displayObject.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.cursor = 'wait';
      * @see https://developer.mozilla.org/en/docs/Web/CSS/cursor
      *
-     * @inner {string}
+     * @member {string}
+     * @memberof PIXI.DisplayObject#
      */
     cursor: null,
 
@@ -74,7 +98,7 @@
      * Internal set of all active pointers, by identifier
      *
      * @member {Map<number, InteractionTrackingData>}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      * @private
      */
     get trackedPointers()
@@ -87,7 +111,8 @@
     /**
      * Map of all tracked pointers, by identifier. Use trackedPointers to access.
      *
-     * @private {Map<number, InteractionTrackingData>}
+     * @private
+     * @type {Map<number, InteractionTrackingData>}
      */
     _trackedPointers: undefined,
 };
diff --git a/src/loaders/index.js b/src/loaders/index.js
index 5189793..daa1fc4 100644
--- a/src/loaders/index.js
+++ b/src/loaders/index.js
@@ -1,9 +1,22 @@
+import Application from '../core/Application';
+import Loader from './loader';
+
 /**
+ * This namespace contains APIs which extends the {@link https://github.com/englercj/resource-loader resource-loader} module
+ * for loading assets, data, and other resources dynamically.
+ * @example
+ * const loader = new PIXI.loaders.Loader();
+ * loader.add('bunny', 'data/bunny.png')
+ *       .add('spaceship', 'assets/spritesheet.json');
+ * loader.load((loader, resources) => {
+ *    // resources.bunny
+ *    // resources.spaceship
+ * });
  * @namespace PIXI.loaders
  */
-export { default as Loader } from './loader';
+export { Loader };
 export { default as bitmapFontParser, parse as parseBitmapFontData } from './bitmapFontParser';
-export { default as spritesheetParser } from './spritesheetParser';
+export { default as spritesheetParser, getResourcePath } from './spritesheetParser';
 export { default as textureParser } from './textureParser';
 
 /**
@@ -13,3 +26,55 @@
  * @memberof PIXI.loaders
  */
 export { Resource } from 'resource-loader';
+
+/**
+ * A premade instance of the loader that can be used to load resources.
+ * @name shared
+ * @memberof PIXI.loaders
+ * @type {PIXI.loaders.Loader}
+ */
+const shared = new Loader();
+
+shared.destroy = () =>
+{
+    // protect destroying shared loader
+};
+
+export { shared };
+
+// Mixin the loader construction
+const AppPrototype = Application.prototype;
+
+AppPrototype._loader = null;
+
+/**
+ * Loader instance to help with asset loading.
+ * @name PIXI.Application#loader
+ * @type {PIXI.loaders.Loader}
+ */
+Object.defineProperty(AppPrototype, 'loader', {
+    get()
+    {
+        if (!this._loader)
+        {
+            const sharedLoader = this._options.sharedLoader;
+
+            this._loader = sharedLoader ? shared : new Loader();
+        }
+
+        return this._loader;
+    },
+});
+
+// Override the destroy function
+// making sure to destroy the current Loader
+AppPrototype._parentDestroy = AppPrototype.destroy;
+AppPrototype.destroy = function destroy()
+{
+    if (this._loader)
+    {
+        this._loader.destroy();
+        this._loader = null;
+    }
+    this._parentDestroy();
+};
diff --git a/src/loaders/loader.js b/src/loaders/loader.js
index 767a411..59b8000 100644
--- a/src/loaders/loader.js
+++ b/src/loaders/loader.js
@@ -90,6 +90,15 @@
     {
         Loader._pixiMiddleware.push(fn);
     }
+
+    /**
+     * Destroy the loader, removes references.
+     */
+    destroy()
+    {
+        this.removeAllListeners();
+        this.reset();
+    }
 }
 
 // Copy EE3 prototype (mixin)
diff --git a/src/loaders/spritesheetParser.js b/src/loaders/spritesheetParser.js
index e57dfb2..eda9584 100644
--- a/src/loaders/spritesheetParser.js
+++ b/src/loaders/spritesheetParser.js
@@ -1,12 +1,11 @@
 import { Resource } from 'resource-loader';
-import path from 'path';
+import url from 'url';
 import { Spritesheet } from '../core';
 
 export default function ()
 {
     return function spritesheetParser(resource, next)
     {
-        let resourcePath;
         const imageResourceName = `${resource.name}_image`;
 
         // skip if no data, its not json, it isn't spritesheet data, or the image resource already exists
@@ -28,15 +27,7 @@
             parentResource: resource,
         };
 
-        // Prepend url path unless the resource image is a data url
-        if (resource.isDataUrl)
-        {
-            resourcePath = resource.data.meta.image;
-        }
-        else
-        {
-            resourcePath = `${path.dirname(resource.url.replace(this.baseUrl, ''))}/${resource.data.meta.image}`;
-        }
+        const resourcePath = getResourcePath(resource, this.baseUrl);
 
         // load the image for this sheet
         this.add(imageResourceName, resourcePath, loadOptions, function onImageLoad(res)
@@ -56,3 +47,14 @@
         });
     };
 }
+
+export function getResourcePath(resource, baseUrl)
+{
+    // Prepend url path unless the resource image is a data url
+    if (resource.isDataUrl)
+    {
+        return resource.data.meta.image;
+    }
+
+    return url.resolve(resource.url.replace(baseUrl, ''), resource.data.meta.image);
+}
diff --git a/src/mesh/canvas/CanvasMeshRenderer.js b/src/mesh/canvas/CanvasMeshRenderer.js
index 297205f..f7899e1 100644
--- a/src/mesh/canvas/CanvasMeshRenderer.js
+++ b/src/mesh/canvas/CanvasMeshRenderer.js
@@ -134,12 +134,33 @@
         const textureWidth = base.width;
         const textureHeight = base.height;
 
-        const u0 = uvs[index0] * base.width;
-        const u1 = uvs[index1] * base.width;
-        const u2 = uvs[index2] * base.width;
-        const v0 = uvs[index0 + 1] * base.height;
-        const v1 = uvs[index1 + 1] * base.height;
-        const v2 = uvs[index2 + 1] * base.height;
+        let u0;
+        let u1;
+        let u2;
+        let v0;
+        let v1;
+        let v2;
+
+        if (mesh.uploadUvTransform)
+        {
+            const ut = mesh._uvTransform.mapCoord;
+
+            u0 = ((uvs[index0] * ut.a) + (uvs[index0 + 1] * ut.c) + ut.tx) * base.width;
+            u1 = ((uvs[index1] * ut.a) + (uvs[index1 + 1] * ut.c) + ut.tx) * base.width;
+            u2 = ((uvs[index2] * ut.a) + (uvs[index2 + 1] * ut.c) + ut.tx) * base.width;
+            v0 = ((uvs[index0] * ut.b) + (uvs[index0 + 1] * ut.d) + ut.ty) * base.height;
+            v1 = ((uvs[index1] * ut.b) + (uvs[index1 + 1] * ut.d) + ut.ty) * base.height;
+            v2 = ((uvs[index2] * ut.b) + (uvs[index2 + 1] * ut.d) + ut.ty) * base.height;
+        }
+        else
+        {
+            u0 = uvs[index0] * base.width;
+            u1 = uvs[index1] * base.width;
+            u2 = uvs[index2] * base.width;
+            v0 = uvs[index0 + 1] * base.height;
+            v1 = uvs[index1 + 1] * base.height;
+            v2 = uvs[index2 + 1] * base.height;
+        }
 
         let x0 = vertices[index0];
         let x1 = vertices[index1];
diff --git a/src/mesh/webgl/MeshRenderer.js b/src/mesh/webgl/MeshRenderer.js
index 78d24c3..ab99fcd 100644
--- a/src/mesh/webgl/MeshRenderer.js
+++ b/src/mesh/webgl/MeshRenderer.js
@@ -2,6 +2,8 @@
 
 const byteSizeMap = { 5126: 4, 5123: 2, 5121: 1 };
 
+const matrixIdentity = core.Matrix.IDENTITY;
+
 /**
  * WebGL renderer plugin for tiling sprites
  *
@@ -64,6 +66,7 @@
         mesh.geometry.glVertexArrayObjects[this.CONTEXT_UID].draw(mesh.drawMode, mesh.size, mesh.start, mesh.geometry.instanceCount);
     }
 
+
     /**
      * draws mesh
      * @param {PIXI.mesh.RawMesh} mesh mesh instance
diff --git a/src/mesh/webgl/mesh.vert b/src/mesh/webgl/mesh.vert
index a337aef..acc096c 100644
--- a/src/mesh/webgl/mesh.vert
+++ b/src/mesh/webgl/mesh.vert
@@ -1,8 +1,9 @@
 attribute vec2 aVertexPosition;
 attribute vec2 aTextureCoord;
 
-uniform mat3 translationMatrix;
 uniform mat3 projectionMatrix;
+uniform mat3 translationMatrix;
+uniform mat3 uTransform;
 
 varying vec2 vTextureCoord;
 
@@ -10,5 +11,5 @@
 {
     gl_Position = vec4((projectionMatrix * translationMatrix * vec3(aVertexPosition, 1.0)).xy, 0.0, 1.0);
 
-    vTextureCoord = aTextureCoord;
+    vTextureCoord = (uTransform * vec3(aTextureCoord, 1.0)).xy;
 }
diff --git a/src/particles/ParticleContainer.js b/src/particles/ParticleContainer.js
index 67796cf..63f7791 100644
--- a/src/particles/ParticleContainer.js
+++ b/src/particles/ParticleContainer.js
@@ -313,10 +313,10 @@
                 frame.y * resolution,
                 frame.width * resolution,
                 frame.height * resolution,
-                positionX * resolution,
-                positionY * resolution,
-                finalWidth * resolution,
-                finalHeight * resolution
+                positionX * renderer.resolution,
+                positionY * renderer.resolution,
+                finalWidth * renderer.resolution,
+                finalHeight * renderer.resolution
             );
         }
     }
diff --git a/src/prepare/BasePrepare.js b/src/prepare/BasePrepare.js
index 09eb5e5..e45c4dc 100644
--- a/src/prepare/BasePrepare.js
+++ b/src/prepare/BasePrepare.js
@@ -18,6 +18,18 @@
  * basic queuing functionality and is extended by {@link PIXI.prepare.WebGLPrepare} and {@link PIXI.prepare.CanvasPrepare}
  * to provide preparation capabilities specific to their respective renderers.
  *
+ * @example
+ * // Create a sprite
+ * const sprite = new PIXI.Sprite.fromImage('something.png');
+ *
+ * // Load object into GPU
+ * app.renderer.plugins.prepare.upload(sprite, () => {
+ *
+ *     //Texture(s) has been uploaded to GPU
+ *     app.stage.addChild(sprite);
+ *
+ * })
+ *
  * @abstract
  * @class
  * @memberof PIXI.prepare
@@ -100,8 +112,16 @@
             this.prepareItems();
         };
 
-        this.register(findText, drawText);
-        this.register(findTextStyle, calculateTextStyle);
+        // hooks to find the correct texture
+        this.registerFindHook(findText);
+        this.registerFindHook(findTextStyle);
+        this.registerFindHook(findMultipleBaseTextures);
+        this.registerFindHook(findBaseTexture);
+        this.registerFindHook(findTexture);
+
+        // upload hooks
+        this.registerUploadHook(drawText);
+        this.registerUploadHook(calculateTextStyle);
     }
 
     /**
@@ -138,7 +158,7 @@
             if (!this.ticking)
             {
                 this.ticking = true;
-                SharedTicker.addOnce(this.tick, this);
+                SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
             }
         }
         else if (done)
@@ -172,13 +192,16 @@
             const item = this.queue[0];
             let uploaded = false;
 
-            for (let i = 0, len = this.uploadHooks.length; i < len; i++)
+            if (item && !item._destroyed)
             {
-                if (this.uploadHooks[i](this.uploadHookHelper, item))
+                for (let i = 0, len = this.uploadHooks.length; i < len; i++)
                 {
-                    this.queue.shift();
-                    uploaded = true;
-                    break;
+                    if (this.uploadHooks[i](this.uploadHookHelper, item))
+                    {
+                        this.queue.shift();
+                        uploaded = true;
+                        break;
+                    }
                 }
             }
 
@@ -205,26 +228,36 @@
         else
         {
             // if we are not finished, on the next rAF do this again
-            SharedTicker.addOnce(this.tick, this);
+            SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
         }
     }
 
     /**
-     * Adds hooks for finding and uploading items.
+     * Adds hooks for finding items.
      *
-     * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
-              function must return `true` if it was able to add item to the queue.
-     * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
-     *        function must return `true` if it was able to handle upload of item.
-     * @return {PIXI.CanvasPrepare} Instance of plugin for chaining.
+     * @param {Function} addHook - Function call that takes two parameters: `item:*, queue:Array`
+     *          function must return `true` if it was able to add item to the queue.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
      */
-    register(addHook, uploadHook)
+    registerFindHook(addHook)
     {
         if (addHook)
         {
             this.addHooks.push(addHook);
         }
 
+        return this;
+    }
+
+    /**
+     * Adds hooks for uploading items.
+     *
+     * @param {Function} uploadHook - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+     *          function must return `true` if it was able to handle upload of item.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+     */
+    registerUploadHook(uploadHook)
+    {
         if (uploadHook)
         {
             this.uploadHooks.push(uploadHook);
@@ -287,6 +320,88 @@
 }
 
 /**
+ * Built-in hook to find multiple textures from objects like AnimatedSprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findMultipleBaseTextures(item, queue)
+{
+    let result = false;
+
+    // Objects with mutliple textures
+    if (item && item._textures && item._textures.length)
+    {
+        for (let i = 0; i < item._textures.length; i++)
+        {
+            if (item._textures[i] instanceof core.Texture)
+            {
+                const baseTexture = item._textures[i].baseTexture;
+
+                if (queue.indexOf(baseTexture) === -1)
+                {
+                    queue.push(baseTexture);
+                    result = true;
+                }
+            }
+        }
+    }
+
+    return result;
+}
+
+/**
+ * Built-in hook to find BaseTextures from Sprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findBaseTexture(item, queue)
+{
+    // Objects with textures, like Sprites/Text
+    if (item instanceof core.BaseTexture)
+    {
+        if (queue.indexOf(item) === -1)
+        {
+            queue.push(item);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
+ * Built-in hook to find textures from objects.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findTexture(item, queue)
+{
+    if (item._texture && item._texture instanceof core.Texture)
+    {
+        const texture = item._texture.baseTexture;
+
+        if (queue.indexOf(texture) === -1)
+        {
+            queue.push(texture);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
  * Built-in hook to draw PIXI.Text to its texture.
  *
  * @private
diff --git a/src/prepare/canvas/CanvasPrepare.js b/src/prepare/canvas/CanvasPrepare.js
index 0224bb5..09c207a 100644
--- a/src/prepare/canvas/CanvasPrepare.js
+++ b/src/prepare/canvas/CanvasPrepare.js
@@ -43,7 +43,7 @@
         this.ctx = this.canvas.getContext('2d');
 
         // Add textures to upload
-        this.register(findBaseTextures, uploadBaseTextures);
+        this.registerUploadHook(uploadBaseTextures);
     }
 
     /**
@@ -89,39 +89,4 @@
     return false;
 }
 
-/**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item  -Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
 core.CanvasRenderer.registerPlugin('prepare', CanvasPrepare);
diff --git a/src/prepare/index.js b/src/prepare/index.js
index f559c45..e7491ec 100644
--- a/src/prepare/index.js
+++ b/src/prepare/index.js
@@ -1,4 +1,29 @@
 /**
+ * The prepare namespace provides renderer-specific plugins for pre-rendering DisplayObjects. These plugins are useful for
+ * asynchronously preparing assets, textures, graphics waiting to be displayed.
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ * document.body.appendChild(app.view);
+ *
+ * // Don't start rendering right away
+ * app.stop();
+ *
+ * // create a display object
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add to the stage
+ * app.stage.addChild(rect);
+ *
+ * // Don't start rendering until the graphic is uploaded to the GPU
+ * app.renderer.plugins.prepare.upload(app.stage, () => {
+ *     app.start();
+ * });
  * @namespace PIXI.prepare
  */
 export { default as webgl } from './webgl/WebGLPrepare';
diff --git a/src/prepare/webgl/WebGLPrepare.js b/src/prepare/webgl/WebGLPrepare.js
index eb7023f..9df3c3f 100644
--- a/src/prepare/webgl/WebGLPrepare.js
+++ b/src/prepare/webgl/WebGLPrepare.js
@@ -22,12 +22,11 @@
         this.uploadHookHelper = this.renderer;
 
         // Add textures and graphics to upload
-        this.register(findBaseTextures, uploadBaseTextures)
-            .register(findGraphics, uploadGraphics);
+        this.registerFindHook(findGraphics);
+        this.registerUploadHook(uploadBaseTextures);
+        this.registerUploadHook(uploadGraphics);
     }
-
 }
-
 /**
  * Built-in hook to upload PIXI.Texture objects to the GPU.
  *
@@ -80,41 +79,6 @@
 }
 
 /**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item - Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
-/**
  * Built-in hook to find graphics.
  *
  * @private
diff --git a/test/.eslintrc.json b/test/.eslintrc.json
index e03220d..ac12110 100644
--- a/test/.eslintrc.json
+++ b/test/.eslintrc.json
@@ -12,7 +12,8 @@
         "sinon": false,
         "expect": false,
         "assert": false,
-        "PIXI": false
+        "PIXI": false,
+        "PointerEvent": true
     },
     "rules": {
         "func-names": 0,
diff --git a/test/core/BaseTexture.js b/test/core/BaseTexture.js
index 8b93478..bb65068 100644
--- a/test/core/BaseTexture.js
+++ b/test/core/BaseTexture.js
@@ -14,4 +14,28 @@
             expect(baseTexture.imageType).to.be.equals('png');
         });
     });
+
+    it('should remove Canvas BaseTexture from cache on destroy', function ()
+    {
+        const canvas = document.createElement('canvas');
+        const texture = PIXI.BaseTexture.fromCanvas(canvas);
+        const _pixiId = canvas._pixiId;
+
+        expect(PIXI.utils.BaseTextureCache[_pixiId]).to.equal(texture);
+        texture.destroy();
+        expect(PIXI.utils.BaseTextureCache[_pixiId]).to.equal(undefined);
+    });
+
+    it('should remove Image BaseTexture from cache on destroy', function ()
+    {
+        const URL = 'foo.png';
+        const NAME = 'bar';
+        const image = new Image();
+
+        const texture = PIXI.Texture.fromLoader(image, URL, NAME);
+
+        expect(PIXI.utils.BaseTextureCache[NAME]).to.equal(texture.baseTexture);
+        texture.destroy(true);
+        expect(PIXI.utils.BaseTextureCache[NAME]).to.equal(undefined);
+    });
 });
diff --git a/test/core/Circle.js b/test/core/Circle.js
index 183f98f..f621992 100644
--- a/test/core/Circle.js
+++ b/test/core/Circle.js
@@ -53,6 +53,10 @@
         expect(circ1.contains(10, 16)).to.be.false;
         expect(circ1.contains(11, 15)).to.be.false;
         expect(circ1.contains(0, 0)).to.be.false;
+
+        const circ2 = new PIXI.Circle(10, 10, 0);
+
+        expect(circ2.contains(10, 10)).to.be.false;
     });
 
     it('should return framing rectangle', function ()
diff --git a/test/core/Container.js b/test/core/Container.js
index d11be33..cefde54 100644
--- a/test/core/Container.js
+++ b/test/core/Container.js
@@ -2,30 +2,36 @@
 
 function testAddChild(fn)
 {
-    fn(function (container, obj)
+    return function ()
     {
-        container.addChild(obj);
-    });
-    fn(function (container, obj)
-    {
-        container.addChildAt(obj);
-    });
+        fn(function (container, obj)
+        {
+            container.addChild(obj);
+        });
+        fn(function (container, obj)
+        {
+            container.addChildAt(obj);
+        });
+    };
 }
 
 function testRemoveChild(fn)
 {
-    fn(function (container, obj)
+    return function ()
     {
-        container.removeChild(obj);
-    });
-    fn(function (container, obj)
-    {
-        container.removeChildAt(container.children.indexOf(obj));
-    });
-    fn(function (container, obj)
-    {
-        container.removeChildren(container.children.indexOf(obj), container.children.indexOf(obj) + 1);
-    });
+        fn(function (container, obj)
+        {
+            container.removeChild(obj);
+        });
+        fn(function (container, obj)
+        {
+            container.removeChildAt(container.children.indexOf(obj));
+        });
+        fn(function (container, obj)
+        {
+            container.removeChildren(container.children.indexOf(obj), container.children.indexOf(obj) + 1);
+        });
+    };
 }
 
 describe('PIXI.Container', function ()

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line
diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 02d53a3..449f8cc 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -30,7 +30,10 @@
         /**
          * When passed to an event handler, this will be the original DOM Event that was captured
          *
-         * @member {Event}
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+         * @member {MouseEvent|TouchEvent|PointerEvent}
          */
         this.originalEvent = null;
     }
diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 8baf13a..2d75c7c 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -13,6 +13,14 @@
 
 const MOUSE_POINTER_ID = 'MOUSE';
 
+// helpers for hitTest() - only used inside hitTest()
+const hitTestEvent = {
+    target: null,
+    data: {
+        global: null,
+    },
+};
+
 /**
  * The interaction manager deals with mouse, touch and pointer events. Any DisplayObject can be interactive
  * if its interactive parameter is set to true
@@ -245,67 +253,60 @@
         this.setTargetElement(this.renderer.view, this.renderer.resolution);
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed on the display
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display
          * object.
          *
-         * @event mousedown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * on the display object.
          *
-         * @event rightdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released over the display
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
          * object.
          *
-         * @event mouseup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is released
          * over the display object.
          *
-         * @event rightup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed and released on
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
          * the display object.
          *
-         * @event click
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * and released on the display object.
          *
-         * @event rightclick
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released outside the
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
          * display object that initially registered a
          * [mousedown]{@link PIXI.interaction.InteractionManager#event:mousedown}.
          *
-         * @event mouseupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
@@ -313,146 +314,362 @@
          * outside the display object that initially registered a
          * [rightdown]{@link PIXI.interaction.InteractionManager#event:rightdown}.
          *
-         * @event rightupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved while over the display object
          *
-         * @event mousemove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved onto the display object
          *
-         * @event mouseover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved off the display object
          *
-         * @event mouseout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed on the display object.
          *
-         * @event pointerdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released over the display object.
          *
-         * @event pointerup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a pointer event
          *
-         * @event pointercancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed and released on the display object.
          *
-         * @event pointertap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released outside the display object that initially
          * registered a [pointerdown]{@link PIXI.interaction.InteractionManager#event:pointerdown}.
          *
-         * @event pointerupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved while over the display object
          *
-         * @event pointermove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved onto the display object
          *
-         * @event pointerover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved off the display object
          *
-         * @event pointerout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed on the display object.
          *
-         * @event touchstart
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed from the display object.
          *
-         * @event touchend
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a touch
          *
-         * @event touchcancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed and removed from the display object.
          *
-         * @event tap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed outside of the display object that initially
          * registered a [touchstart]{@link PIXI.interaction.InteractionManager#event:touchstart}.
          *
-         * @event touchendoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is moved along the display object.
          *
-         * @event touchmove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display.
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * over the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
+         * the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * and released on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
+         * display object that initially registered a
+         * [mousedown]{@link PIXI.DisplayObject#event:mousedown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * outside the display object that initially registered a
+         * [rightdown]{@link PIXI.DisplayObject#event:rightdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a pointer event.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed and released on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released outside the display object that initially
+         * registered a [pointerdown]{@link PIXI.DisplayObject#event:pointerdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a touch.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed and removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed outside of the display object that initially
+         * registered a [touchstart]{@link PIXI.DisplayObject#event:touchstart}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is moved along the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+    }
+
+    /**
+     * Hit tests a point against the display tree, returning the first interactive object that is hit.
+     *
+     * @param {PIXI.Point} globalPoint - A point to hit test with, in global space.
+     * @param {PIXI.Container} [root] - The root display object to start from. If omitted, defaults
+     * to the last rendered root of the associated renderer.
+     * @return {PIXI.DisplayObject} The hit display object, if any.
+     */
+    hitTest(globalPoint, root)
+    {
+        // clear the target for our hit test
+        hitTestEvent.target = null;
+        // assign the global point
+        hitTestEvent.data.global = globalPoint;
+        // ensure safety of the root
+        if (!root)
+        {
+            root = this.renderer._lastObjectRendered;
+        }
+        // run the hit test
+        this.processInteractive(hitTestEvent, root, null, true);
+        // return our found object - it'll be null if we didn't hit anything
+
+        return hitTestEvent.target;
     }
 
     /**
@@ -487,7 +704,7 @@
             return;
         }
 
-        core.ticker.shared.add(this.update, this);
+        core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.INTERACTION);
 
         if (window.navigator.msPointerEnabled)
         {
@@ -804,8 +1021,6 @@
             }
         }
 
-        let keepHitTestingAfterChildren = hitTest;
-
         // ** FREE TIP **! If an object is not interactive or has no buttons in it
         // (such as a game scene!) set interactiveChildren to false for that displayObject.
         // This will allow pixi to completely ignore and bypass checking the displayObjects children.
@@ -818,7 +1033,9 @@
                 const child = children[i];
 
                 // time to get recursive.. if this function will return if something is hit..
-                if (this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent))
+                const childHit = this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent);
+
+                if (childHit)
                 {
                     // its a good idea to check if a child has lost its parent.
                     // this means it has been removed whilst looping so its best
@@ -827,8 +1044,6 @@
                         continue;
                     }
 
-                    hit = true;
-
                     // we no longer need to hit test any more objects in this container as we we
                     // now know the parent has been hit
                     interactiveParent = false;
@@ -838,36 +1053,41 @@
                     // This means we no longer need to hit test anything else. We still need to run
                     // through all objects, but we don't need to perform any hit tests.
 
-                    keepHitTestingAfterChildren = false;
-
-                    if (child.interactive)
+                    if (childHit)
                     {
-                        hitTest = false;
+                        if (interactionEvent.target)
+                        {
+                            hitTest = false;
+                        }
+                        hit = true;
                     }
-
-                    // we can break now as we have hit an object.
                 }
             }
         }
 
-        hitTest = keepHitTestingAfterChildren;
-
         // no point running this if the item is not interactive or does not have an interactive parent.
         if (interactive)
         {
             // if we are hit testing (as in we have no hit any objects yet)
             // We also don't need to worry about hit testing if once of the displayObjects children
-            // has already been hit!
-            if (hitTest && !hit)
+            // has already been hit - but only if it was interactive, otherwise we need to keep
+            // looking for an interactive child, just in case we hit one
+            if (hitTest && !interactionEvent.target)
             {
                 if (displayObject.hitArea)
                 {
                     displayObject.worldTransform.applyInverse(point, this._tempPoint);
-                    hit = displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y);
+                    if (displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y))
+                    {
+                        hit = true;
+                    }
                 }
                 else if (displayObject.containsPoint)
                 {
-                    hit = displayObject.containsPoint(point);
+                    if (displayObject.containsPoint(point))
+                    {
+                        hit = true;
+                    }
                 }
             }
 
@@ -878,7 +1098,10 @@
                     interactionEvent.target = displayObject;
                 }
 
-                func(interactionEvent, displayObject, hit);
+                if (func)
+                {
+                    func(interactionEvent, displayObject, !!hit);
+                }
             }
         }
 
@@ -914,7 +1137,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -998,7 +1221,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1098,7 +1321,7 @@
 
             const test = isRightButton ? flags.RIGHT_DOWN : flags.LEFT_DOWN;
 
-            const isDown = trackingData !== undefined && (trackingData.flags | test);
+            const isDown = trackingData !== undefined && (trackingData.flags & test);
 
             if (hit)
             {
@@ -1118,11 +1341,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }
@@ -1180,7 +1403,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1255,7 +1478,7 @@
             this.setCursorMode(null);
         }
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1268,6 +1491,12 @@
         {
             this.emit('mouseout', interactionEvent);
         }
+        else
+        {
+            // we can get touchleave events after touchend, so we want to make sure we don't
+            // introduce memory leaks
+            this.releaseInteractionDataForPointerId(interactionData.identifier);
+        }
     }
 
     /**
@@ -1344,7 +1573,7 @@
         // Only mouse and pointer can call onPointerOver, so events will always be length 1
         const event = events[0];
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1366,12 +1595,14 @@
      * Get InteractionData for a given pointerId. Store that data as well
      *
      * @private
-     * @param {number} pointerId - Identifier from a pointer event
+     * @param {PointerEvent} event - Normalized pointer event, output from normalizeToPointerData
      * @return {InteractionData} - Interaction data for the given pointer identifier
      */
-    getInteractionDataForPointerId(pointerId)
+    getInteractionDataForPointerId(event)
     {
-        if (pointerId === MOUSE_POINTER_ID)
+        const pointerId = event.pointerId;
+
+        if (pointerId === MOUSE_POINTER_ID || event.pointerType === 'mouse')
         {
             return this.mouse;
         }
diff --git a/src/interaction/InteractionTrackingData.js b/src/interaction/InteractionTrackingData.js
index 6a1f69e..8493b63 100644
--- a/src/interaction/InteractionTrackingData.js
+++ b/src/interaction/InteractionTrackingData.js
@@ -35,8 +35,10 @@
     }
 
     /**
+     * Unique pointer id of the event
+     *
      * @readonly
-     * @type {number} Unique pointer id of the event
+     * @member {number}
      */
     get pointerId()
     {
diff --git a/src/interaction/index.js b/src/interaction/index.js
index 56c5b09..72f7d71 100644
--- a/src/interaction/index.js
+++ b/src/interaction/index.js
@@ -1,4 +1,8 @@
 /**
+ * This namespace contains a renderer plugin for handling mouse, pointer, and touch events.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.interaction
  */
 export { default as InteractionData } from './InteractionData';
diff --git a/src/interaction/interactiveTarget.js b/src/interaction/interactiveTarget.js
index d252fba..cebac40 100644
--- a/src/interaction/interactiveTarget.js
+++ b/src/interaction/interactiveTarget.js
@@ -2,7 +2,7 @@
  * Default property values of interactive objects
  * Used by {@link PIXI.interaction.InteractionManager} to automatically give all DisplayObjects these properties
  *
- * @mixin
+ * @private
  * @name interactiveTarget
  * @memberof PIXI.interaction
  * @example
@@ -14,18 +14,28 @@
  *      );
  */
 export default {
+
     /**
-     * Determines if the displayObject be clicked/touched
+     * Enable interaction events for the DisplayObject. Touch, pointer and mouse
+     * events will not be emitted unless `interactive` is set to `true`.
      *
-     * @inner {boolean}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.on('tap', (event) => {
+     *    //handle event
+     * });
+     * @member {boolean}
+     * @memberof PIXI.DisplayObject#
      */
     interactive: false,
 
     /**
      * Determines if the children to the displayObject can be clicked/touched
-     * Setting this to false allows pixi to bypass a recursive hitTest function
+     * Setting this to false allows pixi to bypass a recursive `hitTest` function
      *
-     * @inner {boolean}
+     * @member {boolean}
+     * @memberof PIXI.Container#
      */
     interactiveChildren: true,
 
@@ -33,7 +43,12 @@
      * Interaction shape. Children will be hit first, then this shape will be checked.
      * Setting this will cause this shape to be checked in hit tests rather than the displayObject's bounds.
      *
-     * @inner {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.hitArea = new PIXI.Rectangle(0, 0, 100, 100);
+     * @member {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @memberof PIXI.DisplayObject#
      */
     hitArea: null,
 
@@ -41,8 +56,12 @@
      * If enabled, the mouse cursor use the pointer behavior when hovered over the displayObject if it is interactive
      * Setting this changes the 'cursor' property to `'pointer'`.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.buttonMode = true;
      * @member {boolean}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      */
     get buttonMode()
     {
@@ -64,9 +83,14 @@
      * This defines what cursor mode is used when the mouse cursor
      * is hovered over the displayObject.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.cursor = 'wait';
      * @see https://developer.mozilla.org/en/docs/Web/CSS/cursor
      *
-     * @inner {string}
+     * @member {string}
+     * @memberof PIXI.DisplayObject#
      */
     cursor: null,
 
@@ -74,7 +98,7 @@
      * Internal set of all active pointers, by identifier
      *
      * @member {Map<number, InteractionTrackingData>}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      * @private
      */
     get trackedPointers()
@@ -87,7 +111,8 @@
     /**
      * Map of all tracked pointers, by identifier. Use trackedPointers to access.
      *
-     * @private {Map<number, InteractionTrackingData>}
+     * @private
+     * @type {Map<number, InteractionTrackingData>}
      */
     _trackedPointers: undefined,
 };
diff --git a/src/loaders/index.js b/src/loaders/index.js
index 5189793..daa1fc4 100644
--- a/src/loaders/index.js
+++ b/src/loaders/index.js
@@ -1,9 +1,22 @@
+import Application from '../core/Application';
+import Loader from './loader';
+
 /**
+ * This namespace contains APIs which extends the {@link https://github.com/englercj/resource-loader resource-loader} module
+ * for loading assets, data, and other resources dynamically.
+ * @example
+ * const loader = new PIXI.loaders.Loader();
+ * loader.add('bunny', 'data/bunny.png')
+ *       .add('spaceship', 'assets/spritesheet.json');
+ * loader.load((loader, resources) => {
+ *    // resources.bunny
+ *    // resources.spaceship
+ * });
  * @namespace PIXI.loaders
  */
-export { default as Loader } from './loader';
+export { Loader };
 export { default as bitmapFontParser, parse as parseBitmapFontData } from './bitmapFontParser';
-export { default as spritesheetParser } from './spritesheetParser';
+export { default as spritesheetParser, getResourcePath } from './spritesheetParser';
 export { default as textureParser } from './textureParser';
 
 /**
@@ -13,3 +26,55 @@
  * @memberof PIXI.loaders
  */
 export { Resource } from 'resource-loader';
+
+/**
+ * A premade instance of the loader that can be used to load resources.
+ * @name shared
+ * @memberof PIXI.loaders
+ * @type {PIXI.loaders.Loader}
+ */
+const shared = new Loader();
+
+shared.destroy = () =>
+{
+    // protect destroying shared loader
+};
+
+export { shared };
+
+// Mixin the loader construction
+const AppPrototype = Application.prototype;
+
+AppPrototype._loader = null;
+
+/**
+ * Loader instance to help with asset loading.
+ * @name PIXI.Application#loader
+ * @type {PIXI.loaders.Loader}
+ */
+Object.defineProperty(AppPrototype, 'loader', {
+    get()
+    {
+        if (!this._loader)
+        {
+            const sharedLoader = this._options.sharedLoader;
+
+            this._loader = sharedLoader ? shared : new Loader();
+        }
+
+        return this._loader;
+    },
+});
+
+// Override the destroy function
+// making sure to destroy the current Loader
+AppPrototype._parentDestroy = AppPrototype.destroy;
+AppPrototype.destroy = function destroy()
+{
+    if (this._loader)
+    {
+        this._loader.destroy();
+        this._loader = null;
+    }
+    this._parentDestroy();
+};
diff --git a/src/loaders/loader.js b/src/loaders/loader.js
index 767a411..59b8000 100644
--- a/src/loaders/loader.js
+++ b/src/loaders/loader.js
@@ -90,6 +90,15 @@
     {
         Loader._pixiMiddleware.push(fn);
     }
+
+    /**
+     * Destroy the loader, removes references.
+     */
+    destroy()
+    {
+        this.removeAllListeners();
+        this.reset();
+    }
 }
 
 // Copy EE3 prototype (mixin)
diff --git a/src/loaders/spritesheetParser.js b/src/loaders/spritesheetParser.js
index e57dfb2..eda9584 100644
--- a/src/loaders/spritesheetParser.js
+++ b/src/loaders/spritesheetParser.js
@@ -1,12 +1,11 @@
 import { Resource } from 'resource-loader';
-import path from 'path';
+import url from 'url';
 import { Spritesheet } from '../core';
 
 export default function ()
 {
     return function spritesheetParser(resource, next)
     {
-        let resourcePath;
         const imageResourceName = `${resource.name}_image`;
 
         // skip if no data, its not json, it isn't spritesheet data, or the image resource already exists
@@ -28,15 +27,7 @@
             parentResource: resource,
         };
 
-        // Prepend url path unless the resource image is a data url
-        if (resource.isDataUrl)
-        {
-            resourcePath = resource.data.meta.image;
-        }
-        else
-        {
-            resourcePath = `${path.dirname(resource.url.replace(this.baseUrl, ''))}/${resource.data.meta.image}`;
-        }
+        const resourcePath = getResourcePath(resource, this.baseUrl);
 
         // load the image for this sheet
         this.add(imageResourceName, resourcePath, loadOptions, function onImageLoad(res)
@@ -56,3 +47,14 @@
         });
     };
 }
+
+export function getResourcePath(resource, baseUrl)
+{
+    // Prepend url path unless the resource image is a data url
+    if (resource.isDataUrl)
+    {
+        return resource.data.meta.image;
+    }
+
+    return url.resolve(resource.url.replace(baseUrl, ''), resource.data.meta.image);
+}
diff --git a/src/mesh/canvas/CanvasMeshRenderer.js b/src/mesh/canvas/CanvasMeshRenderer.js
index 297205f..f7899e1 100644
--- a/src/mesh/canvas/CanvasMeshRenderer.js
+++ b/src/mesh/canvas/CanvasMeshRenderer.js
@@ -134,12 +134,33 @@
         const textureWidth = base.width;
         const textureHeight = base.height;
 
-        const u0 = uvs[index0] * base.width;
-        const u1 = uvs[index1] * base.width;
-        const u2 = uvs[index2] * base.width;
-        const v0 = uvs[index0 + 1] * base.height;
-        const v1 = uvs[index1 + 1] * base.height;
-        const v2 = uvs[index2 + 1] * base.height;
+        let u0;
+        let u1;
+        let u2;
+        let v0;
+        let v1;
+        let v2;
+
+        if (mesh.uploadUvTransform)
+        {
+            const ut = mesh._uvTransform.mapCoord;
+
+            u0 = ((uvs[index0] * ut.a) + (uvs[index0 + 1] * ut.c) + ut.tx) * base.width;
+            u1 = ((uvs[index1] * ut.a) + (uvs[index1 + 1] * ut.c) + ut.tx) * base.width;
+            u2 = ((uvs[index2] * ut.a) + (uvs[index2 + 1] * ut.c) + ut.tx) * base.width;
+            v0 = ((uvs[index0] * ut.b) + (uvs[index0 + 1] * ut.d) + ut.ty) * base.height;
+            v1 = ((uvs[index1] * ut.b) + (uvs[index1 + 1] * ut.d) + ut.ty) * base.height;
+            v2 = ((uvs[index2] * ut.b) + (uvs[index2 + 1] * ut.d) + ut.ty) * base.height;
+        }
+        else
+        {
+            u0 = uvs[index0] * base.width;
+            u1 = uvs[index1] * base.width;
+            u2 = uvs[index2] * base.width;
+            v0 = uvs[index0 + 1] * base.height;
+            v1 = uvs[index1 + 1] * base.height;
+            v2 = uvs[index2 + 1] * base.height;
+        }
 
         let x0 = vertices[index0];
         let x1 = vertices[index1];
diff --git a/src/mesh/webgl/MeshRenderer.js b/src/mesh/webgl/MeshRenderer.js
index 78d24c3..ab99fcd 100644
--- a/src/mesh/webgl/MeshRenderer.js
+++ b/src/mesh/webgl/MeshRenderer.js
@@ -2,6 +2,8 @@
 
 const byteSizeMap = { 5126: 4, 5123: 2, 5121: 1 };
 
+const matrixIdentity = core.Matrix.IDENTITY;
+
 /**
  * WebGL renderer plugin for tiling sprites
  *
@@ -64,6 +66,7 @@
         mesh.geometry.glVertexArrayObjects[this.CONTEXT_UID].draw(mesh.drawMode, mesh.size, mesh.start, mesh.geometry.instanceCount);
     }
 
+
     /**
      * draws mesh
      * @param {PIXI.mesh.RawMesh} mesh mesh instance
diff --git a/src/mesh/webgl/mesh.vert b/src/mesh/webgl/mesh.vert
index a337aef..acc096c 100644
--- a/src/mesh/webgl/mesh.vert
+++ b/src/mesh/webgl/mesh.vert
@@ -1,8 +1,9 @@
 attribute vec2 aVertexPosition;
 attribute vec2 aTextureCoord;
 
-uniform mat3 translationMatrix;
 uniform mat3 projectionMatrix;
+uniform mat3 translationMatrix;
+uniform mat3 uTransform;
 
 varying vec2 vTextureCoord;
 
@@ -10,5 +11,5 @@
 {
     gl_Position = vec4((projectionMatrix * translationMatrix * vec3(aVertexPosition, 1.0)).xy, 0.0, 1.0);
 
-    vTextureCoord = aTextureCoord;
+    vTextureCoord = (uTransform * vec3(aTextureCoord, 1.0)).xy;
 }
diff --git a/src/particles/ParticleContainer.js b/src/particles/ParticleContainer.js
index 67796cf..63f7791 100644
--- a/src/particles/ParticleContainer.js
+++ b/src/particles/ParticleContainer.js
@@ -313,10 +313,10 @@
                 frame.y * resolution,
                 frame.width * resolution,
                 frame.height * resolution,
-                positionX * resolution,
-                positionY * resolution,
-                finalWidth * resolution,
-                finalHeight * resolution
+                positionX * renderer.resolution,
+                positionY * renderer.resolution,
+                finalWidth * renderer.resolution,
+                finalHeight * renderer.resolution
             );
         }
     }
diff --git a/src/prepare/BasePrepare.js b/src/prepare/BasePrepare.js
index 09eb5e5..e45c4dc 100644
--- a/src/prepare/BasePrepare.js
+++ b/src/prepare/BasePrepare.js
@@ -18,6 +18,18 @@
  * basic queuing functionality and is extended by {@link PIXI.prepare.WebGLPrepare} and {@link PIXI.prepare.CanvasPrepare}
  * to provide preparation capabilities specific to their respective renderers.
  *
+ * @example
+ * // Create a sprite
+ * const sprite = new PIXI.Sprite.fromImage('something.png');
+ *
+ * // Load object into GPU
+ * app.renderer.plugins.prepare.upload(sprite, () => {
+ *
+ *     //Texture(s) has been uploaded to GPU
+ *     app.stage.addChild(sprite);
+ *
+ * })
+ *
  * @abstract
  * @class
  * @memberof PIXI.prepare
@@ -100,8 +112,16 @@
             this.prepareItems();
         };
 
-        this.register(findText, drawText);
-        this.register(findTextStyle, calculateTextStyle);
+        // hooks to find the correct texture
+        this.registerFindHook(findText);
+        this.registerFindHook(findTextStyle);
+        this.registerFindHook(findMultipleBaseTextures);
+        this.registerFindHook(findBaseTexture);
+        this.registerFindHook(findTexture);
+
+        // upload hooks
+        this.registerUploadHook(drawText);
+        this.registerUploadHook(calculateTextStyle);
     }
 
     /**
@@ -138,7 +158,7 @@
             if (!this.ticking)
             {
                 this.ticking = true;
-                SharedTicker.addOnce(this.tick, this);
+                SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
             }
         }
         else if (done)
@@ -172,13 +192,16 @@
             const item = this.queue[0];
             let uploaded = false;
 
-            for (let i = 0, len = this.uploadHooks.length; i < len; i++)
+            if (item && !item._destroyed)
             {
-                if (this.uploadHooks[i](this.uploadHookHelper, item))
+                for (let i = 0, len = this.uploadHooks.length; i < len; i++)
                 {
-                    this.queue.shift();
-                    uploaded = true;
-                    break;
+                    if (this.uploadHooks[i](this.uploadHookHelper, item))
+                    {
+                        this.queue.shift();
+                        uploaded = true;
+                        break;
+                    }
                 }
             }
 
@@ -205,26 +228,36 @@
         else
         {
             // if we are not finished, on the next rAF do this again
-            SharedTicker.addOnce(this.tick, this);
+            SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
         }
     }
 
     /**
-     * Adds hooks for finding and uploading items.
+     * Adds hooks for finding items.
      *
-     * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
-              function must return `true` if it was able to add item to the queue.
-     * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
-     *        function must return `true` if it was able to handle upload of item.
-     * @return {PIXI.CanvasPrepare} Instance of plugin for chaining.
+     * @param {Function} addHook - Function call that takes two parameters: `item:*, queue:Array`
+     *          function must return `true` if it was able to add item to the queue.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
      */
-    register(addHook, uploadHook)
+    registerFindHook(addHook)
     {
         if (addHook)
         {
             this.addHooks.push(addHook);
         }
 
+        return this;
+    }
+
+    /**
+     * Adds hooks for uploading items.
+     *
+     * @param {Function} uploadHook - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+     *          function must return `true` if it was able to handle upload of item.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+     */
+    registerUploadHook(uploadHook)
+    {
         if (uploadHook)
         {
             this.uploadHooks.push(uploadHook);
@@ -287,6 +320,88 @@
 }
 
 /**
+ * Built-in hook to find multiple textures from objects like AnimatedSprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findMultipleBaseTextures(item, queue)
+{
+    let result = false;
+
+    // Objects with mutliple textures
+    if (item && item._textures && item._textures.length)
+    {
+        for (let i = 0; i < item._textures.length; i++)
+        {
+            if (item._textures[i] instanceof core.Texture)
+            {
+                const baseTexture = item._textures[i].baseTexture;
+
+                if (queue.indexOf(baseTexture) === -1)
+                {
+                    queue.push(baseTexture);
+                    result = true;
+                }
+            }
+        }
+    }
+
+    return result;
+}
+
+/**
+ * Built-in hook to find BaseTextures from Sprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findBaseTexture(item, queue)
+{
+    // Objects with textures, like Sprites/Text
+    if (item instanceof core.BaseTexture)
+    {
+        if (queue.indexOf(item) === -1)
+        {
+            queue.push(item);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
+ * Built-in hook to find textures from objects.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findTexture(item, queue)
+{
+    if (item._texture && item._texture instanceof core.Texture)
+    {
+        const texture = item._texture.baseTexture;
+
+        if (queue.indexOf(texture) === -1)
+        {
+            queue.push(texture);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
  * Built-in hook to draw PIXI.Text to its texture.
  *
  * @private
diff --git a/src/prepare/canvas/CanvasPrepare.js b/src/prepare/canvas/CanvasPrepare.js
index 0224bb5..09c207a 100644
--- a/src/prepare/canvas/CanvasPrepare.js
+++ b/src/prepare/canvas/CanvasPrepare.js
@@ -43,7 +43,7 @@
         this.ctx = this.canvas.getContext('2d');
 
         // Add textures to upload
-        this.register(findBaseTextures, uploadBaseTextures);
+        this.registerUploadHook(uploadBaseTextures);
     }
 
     /**
@@ -89,39 +89,4 @@
     return false;
 }
 
-/**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item  -Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
 core.CanvasRenderer.registerPlugin('prepare', CanvasPrepare);
diff --git a/src/prepare/index.js b/src/prepare/index.js
index f559c45..e7491ec 100644
--- a/src/prepare/index.js
+++ b/src/prepare/index.js
@@ -1,4 +1,29 @@
 /**
+ * The prepare namespace provides renderer-specific plugins for pre-rendering DisplayObjects. These plugins are useful for
+ * asynchronously preparing assets, textures, graphics waiting to be displayed.
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ * document.body.appendChild(app.view);
+ *
+ * // Don't start rendering right away
+ * app.stop();
+ *
+ * // create a display object
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add to the stage
+ * app.stage.addChild(rect);
+ *
+ * // Don't start rendering until the graphic is uploaded to the GPU
+ * app.renderer.plugins.prepare.upload(app.stage, () => {
+ *     app.start();
+ * });
  * @namespace PIXI.prepare
  */
 export { default as webgl } from './webgl/WebGLPrepare';
diff --git a/src/prepare/webgl/WebGLPrepare.js b/src/prepare/webgl/WebGLPrepare.js
index eb7023f..9df3c3f 100644
--- a/src/prepare/webgl/WebGLPrepare.js
+++ b/src/prepare/webgl/WebGLPrepare.js
@@ -22,12 +22,11 @@
         this.uploadHookHelper = this.renderer;
 
         // Add textures and graphics to upload
-        this.register(findBaseTextures, uploadBaseTextures)
-            .register(findGraphics, uploadGraphics);
+        this.registerFindHook(findGraphics);
+        this.registerUploadHook(uploadBaseTextures);
+        this.registerUploadHook(uploadGraphics);
     }
-
 }
-
 /**
  * Built-in hook to upload PIXI.Texture objects to the GPU.
  *
@@ -80,41 +79,6 @@
 }
 
 /**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item - Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
-/**
  * Built-in hook to find graphics.
  *
  * @private
diff --git a/test/.eslintrc.json b/test/.eslintrc.json
index e03220d..ac12110 100644
--- a/test/.eslintrc.json
+++ b/test/.eslintrc.json
@@ -12,7 +12,8 @@
         "sinon": false,
         "expect": false,
         "assert": false,
-        "PIXI": false
+        "PIXI": false,
+        "PointerEvent": true
     },
     "rules": {
         "func-names": 0,
diff --git a/test/core/BaseTexture.js b/test/core/BaseTexture.js
index 8b93478..bb65068 100644
--- a/test/core/BaseTexture.js
+++ b/test/core/BaseTexture.js
@@ -14,4 +14,28 @@
             expect(baseTexture.imageType).to.be.equals('png');
         });
     });
+
+    it('should remove Canvas BaseTexture from cache on destroy', function ()
+    {
+        const canvas = document.createElement('canvas');
+        const texture = PIXI.BaseTexture.fromCanvas(canvas);
+        const _pixiId = canvas._pixiId;
+
+        expect(PIXI.utils.BaseTextureCache[_pixiId]).to.equal(texture);
+        texture.destroy();
+        expect(PIXI.utils.BaseTextureCache[_pixiId]).to.equal(undefined);
+    });
+
+    it('should remove Image BaseTexture from cache on destroy', function ()
+    {
+        const URL = 'foo.png';
+        const NAME = 'bar';
+        const image = new Image();
+
+        const texture = PIXI.Texture.fromLoader(image, URL, NAME);
+
+        expect(PIXI.utils.BaseTextureCache[NAME]).to.equal(texture.baseTexture);
+        texture.destroy(true);
+        expect(PIXI.utils.BaseTextureCache[NAME]).to.equal(undefined);
+    });
 });
diff --git a/test/core/Circle.js b/test/core/Circle.js
index 183f98f..f621992 100644
--- a/test/core/Circle.js
+++ b/test/core/Circle.js
@@ -53,6 +53,10 @@
         expect(circ1.contains(10, 16)).to.be.false;
         expect(circ1.contains(11, 15)).to.be.false;
         expect(circ1.contains(0, 0)).to.be.false;
+
+        const circ2 = new PIXI.Circle(10, 10, 0);
+
+        expect(circ2.contains(10, 10)).to.be.false;
     });
 
     it('should return framing rectangle', function ()
diff --git a/test/core/Container.js b/test/core/Container.js
index d11be33..cefde54 100644
--- a/test/core/Container.js
+++ b/test/core/Container.js
@@ -2,30 +2,36 @@
 
 function testAddChild(fn)
 {
-    fn(function (container, obj)
+    return function ()
     {
-        container.addChild(obj);
-    });
-    fn(function (container, obj)
-    {
-        container.addChildAt(obj);
-    });
+        fn(function (container, obj)
+        {
+            container.addChild(obj);
+        });
+        fn(function (container, obj)
+        {
+            container.addChildAt(obj);
+        });
+    };
 }
 
 function testRemoveChild(fn)
 {
-    fn(function (container, obj)
+    return function ()
     {
-        container.removeChild(obj);
-    });
-    fn(function (container, obj)
-    {
-        container.removeChildAt(container.children.indexOf(obj));
-    });
-    fn(function (container, obj)
-    {
-        container.removeChildren(container.children.indexOf(obj), container.children.indexOf(obj) + 1);
-    });
+        fn(function (container, obj)
+        {
+            container.removeChild(obj);
+        });
+        fn(function (container, obj)
+        {
+            container.removeChildAt(container.children.indexOf(obj));
+        });
+        fn(function (container, obj)
+        {
+            container.removeChildren(container.children.indexOf(obj), container.children.indexOf(obj) + 1);
+        });
+    };
 }
 
 describe('PIXI.Container', function ()
diff --git a/test/core/Ellipse.js b/test/core/Ellipse.js
index f2e8234..3f47442 100644
--- a/test/core/Ellipse.js
+++ b/test/core/Ellipse.js
@@ -56,6 +56,10 @@
         expect(ellipse1.contains(10, 16)).to.be.false;
         expect(ellipse1.contains(11, 15)).to.be.false;
         expect(ellipse1.contains(0, 0)).to.be.false;
+
+        const ellipse2 = new PIXI.Ellipse(10, 10, 0, 0);
+
+        expect(ellipse2.contains(10, 10)).to.be.false;
     });
 
     it('should return framing rectangle', function ()

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line
diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 02d53a3..449f8cc 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -30,7 +30,10 @@
         /**
          * When passed to an event handler, this will be the original DOM Event that was captured
          *
-         * @member {Event}
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+         * @member {MouseEvent|TouchEvent|PointerEvent}
          */
         this.originalEvent = null;
     }
diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 8baf13a..2d75c7c 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -13,6 +13,14 @@
 
 const MOUSE_POINTER_ID = 'MOUSE';
 
+// helpers for hitTest() - only used inside hitTest()
+const hitTestEvent = {
+    target: null,
+    data: {
+        global: null,
+    },
+};
+
 /**
  * The interaction manager deals with mouse, touch and pointer events. Any DisplayObject can be interactive
  * if its interactive parameter is set to true
@@ -245,67 +253,60 @@
         this.setTargetElement(this.renderer.view, this.renderer.resolution);
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed on the display
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display
          * object.
          *
-         * @event mousedown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * on the display object.
          *
-         * @event rightdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released over the display
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
          * object.
          *
-         * @event mouseup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is released
          * over the display object.
          *
-         * @event rightup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed and released on
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
          * the display object.
          *
-         * @event click
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * and released on the display object.
          *
-         * @event rightclick
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released outside the
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
          * display object that initially registered a
          * [mousedown]{@link PIXI.interaction.InteractionManager#event:mousedown}.
          *
-         * @event mouseupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
@@ -313,146 +314,362 @@
          * outside the display object that initially registered a
          * [rightdown]{@link PIXI.interaction.InteractionManager#event:rightdown}.
          *
-         * @event rightupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved while over the display object
          *
-         * @event mousemove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved onto the display object
          *
-         * @event mouseover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved off the display object
          *
-         * @event mouseout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed on the display object.
          *
-         * @event pointerdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released over the display object.
          *
-         * @event pointerup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a pointer event
          *
-         * @event pointercancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed and released on the display object.
          *
-         * @event pointertap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released outside the display object that initially
          * registered a [pointerdown]{@link PIXI.interaction.InteractionManager#event:pointerdown}.
          *
-         * @event pointerupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved while over the display object
          *
-         * @event pointermove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved onto the display object
          *
-         * @event pointerover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved off the display object
          *
-         * @event pointerout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed on the display object.
          *
-         * @event touchstart
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed from the display object.
          *
-         * @event touchend
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a touch
          *
-         * @event touchcancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed and removed from the display object.
          *
-         * @event tap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed outside of the display object that initially
          * registered a [touchstart]{@link PIXI.interaction.InteractionManager#event:touchstart}.
          *
-         * @event touchendoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is moved along the display object.
          *
-         * @event touchmove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display.
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * over the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
+         * the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * and released on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
+         * display object that initially registered a
+         * [mousedown]{@link PIXI.DisplayObject#event:mousedown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * outside the display object that initially registered a
+         * [rightdown]{@link PIXI.DisplayObject#event:rightdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a pointer event.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed and released on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released outside the display object that initially
+         * registered a [pointerdown]{@link PIXI.DisplayObject#event:pointerdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a touch.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed and removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed outside of the display object that initially
+         * registered a [touchstart]{@link PIXI.DisplayObject#event:touchstart}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is moved along the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+    }
+
+    /**
+     * Hit tests a point against the display tree, returning the first interactive object that is hit.
+     *
+     * @param {PIXI.Point} globalPoint - A point to hit test with, in global space.
+     * @param {PIXI.Container} [root] - The root display object to start from. If omitted, defaults
+     * to the last rendered root of the associated renderer.
+     * @return {PIXI.DisplayObject} The hit display object, if any.
+     */
+    hitTest(globalPoint, root)
+    {
+        // clear the target for our hit test
+        hitTestEvent.target = null;
+        // assign the global point
+        hitTestEvent.data.global = globalPoint;
+        // ensure safety of the root
+        if (!root)
+        {
+            root = this.renderer._lastObjectRendered;
+        }
+        // run the hit test
+        this.processInteractive(hitTestEvent, root, null, true);
+        // return our found object - it'll be null if we didn't hit anything
+
+        return hitTestEvent.target;
     }
 
     /**
@@ -487,7 +704,7 @@
             return;
         }
 
-        core.ticker.shared.add(this.update, this);
+        core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.INTERACTION);
 
         if (window.navigator.msPointerEnabled)
         {
@@ -804,8 +1021,6 @@
             }
         }
 
-        let keepHitTestingAfterChildren = hitTest;
-
         // ** FREE TIP **! If an object is not interactive or has no buttons in it
         // (such as a game scene!) set interactiveChildren to false for that displayObject.
         // This will allow pixi to completely ignore and bypass checking the displayObjects children.
@@ -818,7 +1033,9 @@
                 const child = children[i];
 
                 // time to get recursive.. if this function will return if something is hit..
-                if (this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent))
+                const childHit = this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent);
+
+                if (childHit)
                 {
                     // its a good idea to check if a child has lost its parent.
                     // this means it has been removed whilst looping so its best
@@ -827,8 +1044,6 @@
                         continue;
                     }
 
-                    hit = true;
-
                     // we no longer need to hit test any more objects in this container as we we
                     // now know the parent has been hit
                     interactiveParent = false;
@@ -838,36 +1053,41 @@
                     // This means we no longer need to hit test anything else. We still need to run
                     // through all objects, but we don't need to perform any hit tests.
 
-                    keepHitTestingAfterChildren = false;
-
-                    if (child.interactive)
+                    if (childHit)
                     {
-                        hitTest = false;
+                        if (interactionEvent.target)
+                        {
+                            hitTest = false;
+                        }
+                        hit = true;
                     }
-
-                    // we can break now as we have hit an object.
                 }
             }
         }
 
-        hitTest = keepHitTestingAfterChildren;
-
         // no point running this if the item is not interactive or does not have an interactive parent.
         if (interactive)
         {
             // if we are hit testing (as in we have no hit any objects yet)
             // We also don't need to worry about hit testing if once of the displayObjects children
-            // has already been hit!
-            if (hitTest && !hit)
+            // has already been hit - but only if it was interactive, otherwise we need to keep
+            // looking for an interactive child, just in case we hit one
+            if (hitTest && !interactionEvent.target)
             {
                 if (displayObject.hitArea)
                 {
                     displayObject.worldTransform.applyInverse(point, this._tempPoint);
-                    hit = displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y);
+                    if (displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y))
+                    {
+                        hit = true;
+                    }
                 }
                 else if (displayObject.containsPoint)
                 {
-                    hit = displayObject.containsPoint(point);
+                    if (displayObject.containsPoint(point))
+                    {
+                        hit = true;
+                    }
                 }
             }
 
@@ -878,7 +1098,10 @@
                     interactionEvent.target = displayObject;
                 }
 
-                func(interactionEvent, displayObject, hit);
+                if (func)
+                {
+                    func(interactionEvent, displayObject, !!hit);
+                }
             }
         }
 
@@ -914,7 +1137,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -998,7 +1221,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1098,7 +1321,7 @@
 
             const test = isRightButton ? flags.RIGHT_DOWN : flags.LEFT_DOWN;
 
-            const isDown = trackingData !== undefined && (trackingData.flags | test);
+            const isDown = trackingData !== undefined && (trackingData.flags & test);
 
             if (hit)
             {
@@ -1118,11 +1341,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }
@@ -1180,7 +1403,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1255,7 +1478,7 @@
             this.setCursorMode(null);
         }
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1268,6 +1491,12 @@
         {
             this.emit('mouseout', interactionEvent);
         }
+        else
+        {
+            // we can get touchleave events after touchend, so we want to make sure we don't
+            // introduce memory leaks
+            this.releaseInteractionDataForPointerId(interactionData.identifier);
+        }
     }
 
     /**
@@ -1344,7 +1573,7 @@
         // Only mouse and pointer can call onPointerOver, so events will always be length 1
         const event = events[0];
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1366,12 +1595,14 @@
      * Get InteractionData for a given pointerId. Store that data as well
      *
      * @private
-     * @param {number} pointerId - Identifier from a pointer event
+     * @param {PointerEvent} event - Normalized pointer event, output from normalizeToPointerData
      * @return {InteractionData} - Interaction data for the given pointer identifier
      */
-    getInteractionDataForPointerId(pointerId)
+    getInteractionDataForPointerId(event)
     {
-        if (pointerId === MOUSE_POINTER_ID)
+        const pointerId = event.pointerId;
+
+        if (pointerId === MOUSE_POINTER_ID || event.pointerType === 'mouse')
         {
             return this.mouse;
         }
diff --git a/src/interaction/InteractionTrackingData.js b/src/interaction/InteractionTrackingData.js
index 6a1f69e..8493b63 100644
--- a/src/interaction/InteractionTrackingData.js
+++ b/src/interaction/InteractionTrackingData.js
@@ -35,8 +35,10 @@
     }
 
     /**
+     * Unique pointer id of the event
+     *
      * @readonly
-     * @type {number} Unique pointer id of the event
+     * @member {number}
      */
     get pointerId()
     {
diff --git a/src/interaction/index.js b/src/interaction/index.js
index 56c5b09..72f7d71 100644
--- a/src/interaction/index.js
+++ b/src/interaction/index.js
@@ -1,4 +1,8 @@
 /**
+ * This namespace contains a renderer plugin for handling mouse, pointer, and touch events.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.interaction
  */
 export { default as InteractionData } from './InteractionData';
diff --git a/src/interaction/interactiveTarget.js b/src/interaction/interactiveTarget.js
index d252fba..cebac40 100644
--- a/src/interaction/interactiveTarget.js
+++ b/src/interaction/interactiveTarget.js
@@ -2,7 +2,7 @@
  * Default property values of interactive objects
  * Used by {@link PIXI.interaction.InteractionManager} to automatically give all DisplayObjects these properties
  *
- * @mixin
+ * @private
  * @name interactiveTarget
  * @memberof PIXI.interaction
  * @example
@@ -14,18 +14,28 @@
  *      );
  */
 export default {
+
     /**
-     * Determines if the displayObject be clicked/touched
+     * Enable interaction events for the DisplayObject. Touch, pointer and mouse
+     * events will not be emitted unless `interactive` is set to `true`.
      *
-     * @inner {boolean}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.on('tap', (event) => {
+     *    //handle event
+     * });
+     * @member {boolean}
+     * @memberof PIXI.DisplayObject#
      */
     interactive: false,
 
     /**
      * Determines if the children to the displayObject can be clicked/touched
-     * Setting this to false allows pixi to bypass a recursive hitTest function
+     * Setting this to false allows pixi to bypass a recursive `hitTest` function
      *
-     * @inner {boolean}
+     * @member {boolean}
+     * @memberof PIXI.Container#
      */
     interactiveChildren: true,
 
@@ -33,7 +43,12 @@
      * Interaction shape. Children will be hit first, then this shape will be checked.
      * Setting this will cause this shape to be checked in hit tests rather than the displayObject's bounds.
      *
-     * @inner {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.hitArea = new PIXI.Rectangle(0, 0, 100, 100);
+     * @member {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @memberof PIXI.DisplayObject#
      */
     hitArea: null,
 
@@ -41,8 +56,12 @@
      * If enabled, the mouse cursor use the pointer behavior when hovered over the displayObject if it is interactive
      * Setting this changes the 'cursor' property to `'pointer'`.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.buttonMode = true;
      * @member {boolean}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      */
     get buttonMode()
     {
@@ -64,9 +83,14 @@
      * This defines what cursor mode is used when the mouse cursor
      * is hovered over the displayObject.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.cursor = 'wait';
      * @see https://developer.mozilla.org/en/docs/Web/CSS/cursor
      *
-     * @inner {string}
+     * @member {string}
+     * @memberof PIXI.DisplayObject#
      */
     cursor: null,
 
@@ -74,7 +98,7 @@
      * Internal set of all active pointers, by identifier
      *
      * @member {Map<number, InteractionTrackingData>}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      * @private
      */
     get trackedPointers()
@@ -87,7 +111,8 @@
     /**
      * Map of all tracked pointers, by identifier. Use trackedPointers to access.
      *
-     * @private {Map<number, InteractionTrackingData>}
+     * @private
+     * @type {Map<number, InteractionTrackingData>}
      */
     _trackedPointers: undefined,
 };
diff --git a/src/loaders/index.js b/src/loaders/index.js
index 5189793..daa1fc4 100644
--- a/src/loaders/index.js
+++ b/src/loaders/index.js
@@ -1,9 +1,22 @@
+import Application from '../core/Application';
+import Loader from './loader';
+
 /**
+ * This namespace contains APIs which extends the {@link https://github.com/englercj/resource-loader resource-loader} module
+ * for loading assets, data, and other resources dynamically.
+ * @example
+ * const loader = new PIXI.loaders.Loader();
+ * loader.add('bunny', 'data/bunny.png')
+ *       .add('spaceship', 'assets/spritesheet.json');
+ * loader.load((loader, resources) => {
+ *    // resources.bunny
+ *    // resources.spaceship
+ * });
  * @namespace PIXI.loaders
  */
-export { default as Loader } from './loader';
+export { Loader };
 export { default as bitmapFontParser, parse as parseBitmapFontData } from './bitmapFontParser';
-export { default as spritesheetParser } from './spritesheetParser';
+export { default as spritesheetParser, getResourcePath } from './spritesheetParser';
 export { default as textureParser } from './textureParser';
 
 /**
@@ -13,3 +26,55 @@
  * @memberof PIXI.loaders
  */
 export { Resource } from 'resource-loader';
+
+/**
+ * A premade instance of the loader that can be used to load resources.
+ * @name shared
+ * @memberof PIXI.loaders
+ * @type {PIXI.loaders.Loader}
+ */
+const shared = new Loader();
+
+shared.destroy = () =>
+{
+    // protect destroying shared loader
+};
+
+export { shared };
+
+// Mixin the loader construction
+const AppPrototype = Application.prototype;
+
+AppPrototype._loader = null;
+
+/**
+ * Loader instance to help with asset loading.
+ * @name PIXI.Application#loader
+ * @type {PIXI.loaders.Loader}
+ */
+Object.defineProperty(AppPrototype, 'loader', {
+    get()
+    {
+        if (!this._loader)
+        {
+            const sharedLoader = this._options.sharedLoader;
+
+            this._loader = sharedLoader ? shared : new Loader();
+        }
+
+        return this._loader;
+    },
+});
+
+// Override the destroy function
+// making sure to destroy the current Loader
+AppPrototype._parentDestroy = AppPrototype.destroy;
+AppPrototype.destroy = function destroy()
+{
+    if (this._loader)
+    {
+        this._loader.destroy();
+        this._loader = null;
+    }
+    this._parentDestroy();
+};
diff --git a/src/loaders/loader.js b/src/loaders/loader.js
index 767a411..59b8000 100644
--- a/src/loaders/loader.js
+++ b/src/loaders/loader.js
@@ -90,6 +90,15 @@
     {
         Loader._pixiMiddleware.push(fn);
     }
+
+    /**
+     * Destroy the loader, removes references.
+     */
+    destroy()
+    {
+        this.removeAllListeners();
+        this.reset();
+    }
 }
 
 // Copy EE3 prototype (mixin)
diff --git a/src/loaders/spritesheetParser.js b/src/loaders/spritesheetParser.js
index e57dfb2..eda9584 100644
--- a/src/loaders/spritesheetParser.js
+++ b/src/loaders/spritesheetParser.js
@@ -1,12 +1,11 @@
 import { Resource } from 'resource-loader';
-import path from 'path';
+import url from 'url';
 import { Spritesheet } from '../core';
 
 export default function ()
 {
     return function spritesheetParser(resource, next)
     {
-        let resourcePath;
         const imageResourceName = `${resource.name}_image`;
 
         // skip if no data, its not json, it isn't spritesheet data, or the image resource already exists
@@ -28,15 +27,7 @@
             parentResource: resource,
         };
 
-        // Prepend url path unless the resource image is a data url
-        if (resource.isDataUrl)
-        {
-            resourcePath = resource.data.meta.image;
-        }
-        else
-        {
-            resourcePath = `${path.dirname(resource.url.replace(this.baseUrl, ''))}/${resource.data.meta.image}`;
-        }
+        const resourcePath = getResourcePath(resource, this.baseUrl);
 
         // load the image for this sheet
         this.add(imageResourceName, resourcePath, loadOptions, function onImageLoad(res)
@@ -56,3 +47,14 @@
         });
     };
 }
+
+export function getResourcePath(resource, baseUrl)
+{
+    // Prepend url path unless the resource image is a data url
+    if (resource.isDataUrl)
+    {
+        return resource.data.meta.image;
+    }
+
+    return url.resolve(resource.url.replace(baseUrl, ''), resource.data.meta.image);
+}
diff --git a/src/mesh/canvas/CanvasMeshRenderer.js b/src/mesh/canvas/CanvasMeshRenderer.js
index 297205f..f7899e1 100644
--- a/src/mesh/canvas/CanvasMeshRenderer.js
+++ b/src/mesh/canvas/CanvasMeshRenderer.js
@@ -134,12 +134,33 @@
         const textureWidth = base.width;
         const textureHeight = base.height;
 
-        const u0 = uvs[index0] * base.width;
-        const u1 = uvs[index1] * base.width;
-        const u2 = uvs[index2] * base.width;
-        const v0 = uvs[index0 + 1] * base.height;
-        const v1 = uvs[index1 + 1] * base.height;
-        const v2 = uvs[index2 + 1] * base.height;
+        let u0;
+        let u1;
+        let u2;
+        let v0;
+        let v1;
+        let v2;
+
+        if (mesh.uploadUvTransform)
+        {
+            const ut = mesh._uvTransform.mapCoord;
+
+            u0 = ((uvs[index0] * ut.a) + (uvs[index0 + 1] * ut.c) + ut.tx) * base.width;
+            u1 = ((uvs[index1] * ut.a) + (uvs[index1 + 1] * ut.c) + ut.tx) * base.width;
+            u2 = ((uvs[index2] * ut.a) + (uvs[index2 + 1] * ut.c) + ut.tx) * base.width;
+            v0 = ((uvs[index0] * ut.b) + (uvs[index0 + 1] * ut.d) + ut.ty) * base.height;
+            v1 = ((uvs[index1] * ut.b) + (uvs[index1 + 1] * ut.d) + ut.ty) * base.height;
+            v2 = ((uvs[index2] * ut.b) + (uvs[index2 + 1] * ut.d) + ut.ty) * base.height;
+        }
+        else
+        {
+            u0 = uvs[index0] * base.width;
+            u1 = uvs[index1] * base.width;
+            u2 = uvs[index2] * base.width;
+            v0 = uvs[index0 + 1] * base.height;
+            v1 = uvs[index1 + 1] * base.height;
+            v2 = uvs[index2 + 1] * base.height;
+        }
 
         let x0 = vertices[index0];
         let x1 = vertices[index1];
diff --git a/src/mesh/webgl/MeshRenderer.js b/src/mesh/webgl/MeshRenderer.js
index 78d24c3..ab99fcd 100644
--- a/src/mesh/webgl/MeshRenderer.js
+++ b/src/mesh/webgl/MeshRenderer.js
@@ -2,6 +2,8 @@
 
 const byteSizeMap = { 5126: 4, 5123: 2, 5121: 1 };
 
+const matrixIdentity = core.Matrix.IDENTITY;
+
 /**
  * WebGL renderer plugin for tiling sprites
  *
@@ -64,6 +66,7 @@
         mesh.geometry.glVertexArrayObjects[this.CONTEXT_UID].draw(mesh.drawMode, mesh.size, mesh.start, mesh.geometry.instanceCount);
     }
 
+
     /**
      * draws mesh
      * @param {PIXI.mesh.RawMesh} mesh mesh instance
diff --git a/src/mesh/webgl/mesh.vert b/src/mesh/webgl/mesh.vert
index a337aef..acc096c 100644
--- a/src/mesh/webgl/mesh.vert
+++ b/src/mesh/webgl/mesh.vert
@@ -1,8 +1,9 @@
 attribute vec2 aVertexPosition;
 attribute vec2 aTextureCoord;
 
-uniform mat3 translationMatrix;
 uniform mat3 projectionMatrix;
+uniform mat3 translationMatrix;
+uniform mat3 uTransform;
 
 varying vec2 vTextureCoord;
 
@@ -10,5 +11,5 @@
 {
     gl_Position = vec4((projectionMatrix * translationMatrix * vec3(aVertexPosition, 1.0)).xy, 0.0, 1.0);
 
-    vTextureCoord = aTextureCoord;
+    vTextureCoord = (uTransform * vec3(aTextureCoord, 1.0)).xy;
 }
diff --git a/src/particles/ParticleContainer.js b/src/particles/ParticleContainer.js
index 67796cf..63f7791 100644
--- a/src/particles/ParticleContainer.js
+++ b/src/particles/ParticleContainer.js
@@ -313,10 +313,10 @@
                 frame.y * resolution,
                 frame.width * resolution,
                 frame.height * resolution,
-                positionX * resolution,
-                positionY * resolution,
-                finalWidth * resolution,
-                finalHeight * resolution
+                positionX * renderer.resolution,
+                positionY * renderer.resolution,
+                finalWidth * renderer.resolution,
+                finalHeight * renderer.resolution
             );
         }
     }
diff --git a/src/prepare/BasePrepare.js b/src/prepare/BasePrepare.js
index 09eb5e5..e45c4dc 100644
--- a/src/prepare/BasePrepare.js
+++ b/src/prepare/BasePrepare.js
@@ -18,6 +18,18 @@
  * basic queuing functionality and is extended by {@link PIXI.prepare.WebGLPrepare} and {@link PIXI.prepare.CanvasPrepare}
  * to provide preparation capabilities specific to their respective renderers.
  *
+ * @example
+ * // Create a sprite
+ * const sprite = new PIXI.Sprite.fromImage('something.png');
+ *
+ * // Load object into GPU
+ * app.renderer.plugins.prepare.upload(sprite, () => {
+ *
+ *     //Texture(s) has been uploaded to GPU
+ *     app.stage.addChild(sprite);
+ *
+ * })
+ *
  * @abstract
  * @class
  * @memberof PIXI.prepare
@@ -100,8 +112,16 @@
             this.prepareItems();
         };
 
-        this.register(findText, drawText);
-        this.register(findTextStyle, calculateTextStyle);
+        // hooks to find the correct texture
+        this.registerFindHook(findText);
+        this.registerFindHook(findTextStyle);
+        this.registerFindHook(findMultipleBaseTextures);
+        this.registerFindHook(findBaseTexture);
+        this.registerFindHook(findTexture);
+
+        // upload hooks
+        this.registerUploadHook(drawText);
+        this.registerUploadHook(calculateTextStyle);
     }
 
     /**
@@ -138,7 +158,7 @@
             if (!this.ticking)
             {
                 this.ticking = true;
-                SharedTicker.addOnce(this.tick, this);
+                SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
             }
         }
         else if (done)
@@ -172,13 +192,16 @@
             const item = this.queue[0];
             let uploaded = false;
 
-            for (let i = 0, len = this.uploadHooks.length; i < len; i++)
+            if (item && !item._destroyed)
             {
-                if (this.uploadHooks[i](this.uploadHookHelper, item))
+                for (let i = 0, len = this.uploadHooks.length; i < len; i++)
                 {
-                    this.queue.shift();
-                    uploaded = true;
-                    break;
+                    if (this.uploadHooks[i](this.uploadHookHelper, item))
+                    {
+                        this.queue.shift();
+                        uploaded = true;
+                        break;
+                    }
                 }
             }
 
@@ -205,26 +228,36 @@
         else
         {
             // if we are not finished, on the next rAF do this again
-            SharedTicker.addOnce(this.tick, this);
+            SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
         }
     }
 
     /**
-     * Adds hooks for finding and uploading items.
+     * Adds hooks for finding items.
      *
-     * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
-              function must return `true` if it was able to add item to the queue.
-     * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
-     *        function must return `true` if it was able to handle upload of item.
-     * @return {PIXI.CanvasPrepare} Instance of plugin for chaining.
+     * @param {Function} addHook - Function call that takes two parameters: `item:*, queue:Array`
+     *          function must return `true` if it was able to add item to the queue.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
      */
-    register(addHook, uploadHook)
+    registerFindHook(addHook)
     {
         if (addHook)
         {
             this.addHooks.push(addHook);
         }
 
+        return this;
+    }
+
+    /**
+     * Adds hooks for uploading items.
+     *
+     * @param {Function} uploadHook - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+     *          function must return `true` if it was able to handle upload of item.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+     */
+    registerUploadHook(uploadHook)
+    {
         if (uploadHook)
         {
             this.uploadHooks.push(uploadHook);
@@ -287,6 +320,88 @@
 }
 
 /**
+ * Built-in hook to find multiple textures from objects like AnimatedSprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findMultipleBaseTextures(item, queue)
+{
+    let result = false;
+
+    // Objects with mutliple textures
+    if (item && item._textures && item._textures.length)
+    {
+        for (let i = 0; i < item._textures.length; i++)
+        {
+            if (item._textures[i] instanceof core.Texture)
+            {
+                const baseTexture = item._textures[i].baseTexture;
+
+                if (queue.indexOf(baseTexture) === -1)
+                {
+                    queue.push(baseTexture);
+                    result = true;
+                }
+            }
+        }
+    }
+
+    return result;
+}
+
+/**
+ * Built-in hook to find BaseTextures from Sprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findBaseTexture(item, queue)
+{
+    // Objects with textures, like Sprites/Text
+    if (item instanceof core.BaseTexture)
+    {
+        if (queue.indexOf(item) === -1)
+        {
+            queue.push(item);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
+ * Built-in hook to find textures from objects.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findTexture(item, queue)
+{
+    if (item._texture && item._texture instanceof core.Texture)
+    {
+        const texture = item._texture.baseTexture;
+
+        if (queue.indexOf(texture) === -1)
+        {
+            queue.push(texture);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
  * Built-in hook to draw PIXI.Text to its texture.
  *
  * @private
diff --git a/src/prepare/canvas/CanvasPrepare.js b/src/prepare/canvas/CanvasPrepare.js
index 0224bb5..09c207a 100644
--- a/src/prepare/canvas/CanvasPrepare.js
+++ b/src/prepare/canvas/CanvasPrepare.js
@@ -43,7 +43,7 @@
         this.ctx = this.canvas.getContext('2d');
 
         // Add textures to upload
-        this.register(findBaseTextures, uploadBaseTextures);
+        this.registerUploadHook(uploadBaseTextures);
     }
 
     /**
@@ -89,39 +89,4 @@
     return false;
 }
 
-/**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item  -Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
 core.CanvasRenderer.registerPlugin('prepare', CanvasPrepare);
diff --git a/src/prepare/index.js b/src/prepare/index.js
index f559c45..e7491ec 100644
--- a/src/prepare/index.js
+++ b/src/prepare/index.js
@@ -1,4 +1,29 @@
 /**
+ * The prepare namespace provides renderer-specific plugins for pre-rendering DisplayObjects. These plugins are useful for
+ * asynchronously preparing assets, textures, graphics waiting to be displayed.
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ * document.body.appendChild(app.view);
+ *
+ * // Don't start rendering right away
+ * app.stop();
+ *
+ * // create a display object
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add to the stage
+ * app.stage.addChild(rect);
+ *
+ * // Don't start rendering until the graphic is uploaded to the GPU
+ * app.renderer.plugins.prepare.upload(app.stage, () => {
+ *     app.start();
+ * });
  * @namespace PIXI.prepare
  */
 export { default as webgl } from './webgl/WebGLPrepare';
diff --git a/src/prepare/webgl/WebGLPrepare.js b/src/prepare/webgl/WebGLPrepare.js
index eb7023f..9df3c3f 100644
--- a/src/prepare/webgl/WebGLPrepare.js
+++ b/src/prepare/webgl/WebGLPrepare.js
@@ -22,12 +22,11 @@
         this.uploadHookHelper = this.renderer;
 
         // Add textures and graphics to upload
-        this.register(findBaseTextures, uploadBaseTextures)
-            .register(findGraphics, uploadGraphics);
+        this.registerFindHook(findGraphics);
+        this.registerUploadHook(uploadBaseTextures);
+        this.registerUploadHook(uploadGraphics);
     }
-
 }
-
 /**
  * Built-in hook to upload PIXI.Texture objects to the GPU.
  *
@@ -80,41 +79,6 @@
 }
 
 /**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item - Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
-/**
  * Built-in hook to find graphics.
  *
  * @private
diff --git a/test/.eslintrc.json b/test/.eslintrc.json
index e03220d..ac12110 100644
--- a/test/.eslintrc.json
+++ b/test/.eslintrc.json
@@ -12,7 +12,8 @@
         "sinon": false,
         "expect": false,
         "assert": false,
-        "PIXI": false
+        "PIXI": false,
+        "PointerEvent": true
     },
     "rules": {
         "func-names": 0,
diff --git a/test/core/BaseTexture.js b/test/core/BaseTexture.js
index 8b93478..bb65068 100644
--- a/test/core/BaseTexture.js
+++ b/test/core/BaseTexture.js
@@ -14,4 +14,28 @@
             expect(baseTexture.imageType).to.be.equals('png');
         });
     });
+
+    it('should remove Canvas BaseTexture from cache on destroy', function ()
+    {
+        const canvas = document.createElement('canvas');
+        const texture = PIXI.BaseTexture.fromCanvas(canvas);
+        const _pixiId = canvas._pixiId;
+
+        expect(PIXI.utils.BaseTextureCache[_pixiId]).to.equal(texture);
+        texture.destroy();
+        expect(PIXI.utils.BaseTextureCache[_pixiId]).to.equal(undefined);
+    });
+
+    it('should remove Image BaseTexture from cache on destroy', function ()
+    {
+        const URL = 'foo.png';
+        const NAME = 'bar';
+        const image = new Image();
+
+        const texture = PIXI.Texture.fromLoader(image, URL, NAME);
+
+        expect(PIXI.utils.BaseTextureCache[NAME]).to.equal(texture.baseTexture);
+        texture.destroy(true);
+        expect(PIXI.utils.BaseTextureCache[NAME]).to.equal(undefined);
+    });
 });
diff --git a/test/core/Circle.js b/test/core/Circle.js
index 183f98f..f621992 100644
--- a/test/core/Circle.js
+++ b/test/core/Circle.js
@@ -53,6 +53,10 @@
         expect(circ1.contains(10, 16)).to.be.false;
         expect(circ1.contains(11, 15)).to.be.false;
         expect(circ1.contains(0, 0)).to.be.false;
+
+        const circ2 = new PIXI.Circle(10, 10, 0);
+
+        expect(circ2.contains(10, 10)).to.be.false;
     });
 
     it('should return framing rectangle', function ()
diff --git a/test/core/Container.js b/test/core/Container.js
index d11be33..cefde54 100644
--- a/test/core/Container.js
+++ b/test/core/Container.js
@@ -2,30 +2,36 @@
 
 function testAddChild(fn)
 {
-    fn(function (container, obj)
+    return function ()
     {
-        container.addChild(obj);
-    });
-    fn(function (container, obj)
-    {
-        container.addChildAt(obj);
-    });
+        fn(function (container, obj)
+        {
+            container.addChild(obj);
+        });
+        fn(function (container, obj)
+        {
+            container.addChildAt(obj);
+        });
+    };
 }
 
 function testRemoveChild(fn)
 {
-    fn(function (container, obj)
+    return function ()
     {
-        container.removeChild(obj);
-    });
-    fn(function (container, obj)
-    {
-        container.removeChildAt(container.children.indexOf(obj));
-    });
-    fn(function (container, obj)
-    {
-        container.removeChildren(container.children.indexOf(obj), container.children.indexOf(obj) + 1);
-    });
+        fn(function (container, obj)
+        {
+            container.removeChild(obj);
+        });
+        fn(function (container, obj)
+        {
+            container.removeChildAt(container.children.indexOf(obj));
+        });
+        fn(function (container, obj)
+        {
+            container.removeChildren(container.children.indexOf(obj), container.children.indexOf(obj) + 1);
+        });
+    };
 }
 
 describe('PIXI.Container', function ()
diff --git a/test/core/Ellipse.js b/test/core/Ellipse.js
index f2e8234..3f47442 100644
--- a/test/core/Ellipse.js
+++ b/test/core/Ellipse.js
@@ -56,6 +56,10 @@
         expect(ellipse1.contains(10, 16)).to.be.false;
         expect(ellipse1.contains(11, 15)).to.be.false;
         expect(ellipse1.contains(0, 0)).to.be.false;
+
+        const ellipse2 = new PIXI.Ellipse(10, 10, 0, 0);
+
+        expect(ellipse2.contains(10, 10)).to.be.false;
     });
 
     it('should return framing rectangle', function ()
diff --git a/test/core/Matrix.js b/test/core/Matrix.js
index 9d2694b..76bd57c 100644
--- a/test/core/Matrix.js
+++ b/test/core/Matrix.js
@@ -107,10 +107,60 @@
         expect(m1.ty).to.equal(m2.ty);
     });
 
+    it('should prepend matrix', function ()
+    {
+        const m1 = new PIXI.Matrix();
+        const m2 = new PIXI.Matrix();
+
+        m2.set(2, 3, 4, 5, 100, 200);
+        m1.prepend(m2);
+
+        expect(m1.a).to.equal(m2.a);
+        expect(m1.b).to.equal(m2.b);
+        expect(m1.c).to.equal(m2.c);
+        expect(m1.d).to.equal(m2.d);
+        expect(m1.tx).to.equal(m2.tx);
+        expect(m1.ty).to.equal(m2.ty);
+
+        const m3 = new PIXI.Matrix();
+        const m4 = new PIXI.Matrix();
+
+        m3.prepend(m4);
+
+        expect(m3.a).to.equal(m4.a);
+        expect(m3.b).to.equal(m4.b);
+        expect(m3.c).to.equal(m4.c);
+        expect(m3.d).to.equal(m4.d);
+        expect(m3.tx).to.equal(m4.tx);
+        expect(m3.ty).to.equal(m4.ty);
+    });
+
     it('should get IDENTITY and TEMP_MATRIX', function ()
     {
         expect(PIXI.Matrix.IDENTITY instanceof PIXI.Matrix).to.be.true;
         expect(PIXI.Matrix.TEMP_MATRIX instanceof PIXI.Matrix).to.be.true;
     });
-});
 
+    it('should reset matrix to default when identity() is called', function ()
+    {
+        const matrix = new PIXI.Matrix();
+
+        matrix.set(2, 3, 4, 5, 100, 200);
+
+        expect(matrix.a).to.equal(2);
+        expect(matrix.b).to.equal(3);
+        expect(matrix.c).to.equal(4);
+        expect(matrix.d).to.equal(5);
+        expect(matrix.tx).to.equal(100);
+        expect(matrix.ty).to.equal(200);
+
+        matrix.identity();
+
+        expect(matrix.a).to.equal(1);
+        expect(matrix.b).to.equal(0);
+        expect(matrix.c).to.equal(0);
+        expect(matrix.d).to.equal(1);
+        expect(matrix.tx).to.equal(0);
+        expect(matrix.ty).to.equal(0);
+    });
+});

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line
diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 02d53a3..449f8cc 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -30,7 +30,10 @@
         /**
          * When passed to an event handler, this will be the original DOM Event that was captured
          *
-         * @member {Event}
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+         * @member {MouseEvent|TouchEvent|PointerEvent}
          */
         this.originalEvent = null;
     }
diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 8baf13a..2d75c7c 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -13,6 +13,14 @@
 
 const MOUSE_POINTER_ID = 'MOUSE';
 
+// helpers for hitTest() - only used inside hitTest()
+const hitTestEvent = {
+    target: null,
+    data: {
+        global: null,
+    },
+};
+
 /**
  * The interaction manager deals with mouse, touch and pointer events. Any DisplayObject can be interactive
  * if its interactive parameter is set to true
@@ -245,67 +253,60 @@
         this.setTargetElement(this.renderer.view, this.renderer.resolution);
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed on the display
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display
          * object.
          *
-         * @event mousedown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * on the display object.
          *
-         * @event rightdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released over the display
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
          * object.
          *
-         * @event mouseup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is released
          * over the display object.
          *
-         * @event rightup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed and released on
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
          * the display object.
          *
-         * @event click
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * and released on the display object.
          *
-         * @event rightclick
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released outside the
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
          * display object that initially registered a
          * [mousedown]{@link PIXI.interaction.InteractionManager#event:mousedown}.
          *
-         * @event mouseupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
@@ -313,146 +314,362 @@
          * outside the display object that initially registered a
          * [rightdown]{@link PIXI.interaction.InteractionManager#event:rightdown}.
          *
-         * @event rightupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved while over the display object
          *
-         * @event mousemove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved onto the display object
          *
-         * @event mouseover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved off the display object
          *
-         * @event mouseout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed on the display object.
          *
-         * @event pointerdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released over the display object.
          *
-         * @event pointerup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a pointer event
          *
-         * @event pointercancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed and released on the display object.
          *
-         * @event pointertap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released outside the display object that initially
          * registered a [pointerdown]{@link PIXI.interaction.InteractionManager#event:pointerdown}.
          *
-         * @event pointerupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved while over the display object
          *
-         * @event pointermove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved onto the display object
          *
-         * @event pointerover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved off the display object
          *
-         * @event pointerout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed on the display object.
          *
-         * @event touchstart
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed from the display object.
          *
-         * @event touchend
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a touch
          *
-         * @event touchcancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed and removed from the display object.
          *
-         * @event tap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed outside of the display object that initially
          * registered a [touchstart]{@link PIXI.interaction.InteractionManager#event:touchstart}.
          *
-         * @event touchendoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is moved along the display object.
          *
-         * @event touchmove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display.
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * over the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
+         * the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * and released on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
+         * display object that initially registered a
+         * [mousedown]{@link PIXI.DisplayObject#event:mousedown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * outside the display object that initially registered a
+         * [rightdown]{@link PIXI.DisplayObject#event:rightdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a pointer event.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed and released on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released outside the display object that initially
+         * registered a [pointerdown]{@link PIXI.DisplayObject#event:pointerdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a touch.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed and removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed outside of the display object that initially
+         * registered a [touchstart]{@link PIXI.DisplayObject#event:touchstart}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is moved along the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+    }
+
+    /**
+     * Hit tests a point against the display tree, returning the first interactive object that is hit.
+     *
+     * @param {PIXI.Point} globalPoint - A point to hit test with, in global space.
+     * @param {PIXI.Container} [root] - The root display object to start from. If omitted, defaults
+     * to the last rendered root of the associated renderer.
+     * @return {PIXI.DisplayObject} The hit display object, if any.
+     */
+    hitTest(globalPoint, root)
+    {
+        // clear the target for our hit test
+        hitTestEvent.target = null;
+        // assign the global point
+        hitTestEvent.data.global = globalPoint;
+        // ensure safety of the root
+        if (!root)
+        {
+            root = this.renderer._lastObjectRendered;
+        }
+        // run the hit test
+        this.processInteractive(hitTestEvent, root, null, true);
+        // return our found object - it'll be null if we didn't hit anything
+
+        return hitTestEvent.target;
     }
 
     /**
@@ -487,7 +704,7 @@
             return;
         }
 
-        core.ticker.shared.add(this.update, this);
+        core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.INTERACTION);
 
         if (window.navigator.msPointerEnabled)
         {
@@ -804,8 +1021,6 @@
             }
         }
 
-        let keepHitTestingAfterChildren = hitTest;
-
         // ** FREE TIP **! If an object is not interactive or has no buttons in it
         // (such as a game scene!) set interactiveChildren to false for that displayObject.
         // This will allow pixi to completely ignore and bypass checking the displayObjects children.
@@ -818,7 +1033,9 @@
                 const child = children[i];
 
                 // time to get recursive.. if this function will return if something is hit..
-                if (this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent))
+                const childHit = this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent);
+
+                if (childHit)
                 {
                     // its a good idea to check if a child has lost its parent.
                     // this means it has been removed whilst looping so its best
@@ -827,8 +1044,6 @@
                         continue;
                     }
 
-                    hit = true;
-
                     // we no longer need to hit test any more objects in this container as we we
                     // now know the parent has been hit
                     interactiveParent = false;
@@ -838,36 +1053,41 @@
                     // This means we no longer need to hit test anything else. We still need to run
                     // through all objects, but we don't need to perform any hit tests.
 
-                    keepHitTestingAfterChildren = false;
-
-                    if (child.interactive)
+                    if (childHit)
                     {
-                        hitTest = false;
+                        if (interactionEvent.target)
+                        {
+                            hitTest = false;
+                        }
+                        hit = true;
                     }
-
-                    // we can break now as we have hit an object.
                 }
             }
         }
 
-        hitTest = keepHitTestingAfterChildren;
-
         // no point running this if the item is not interactive or does not have an interactive parent.
         if (interactive)
         {
             // if we are hit testing (as in we have no hit any objects yet)
             // We also don't need to worry about hit testing if once of the displayObjects children
-            // has already been hit!
-            if (hitTest && !hit)
+            // has already been hit - but only if it was interactive, otherwise we need to keep
+            // looking for an interactive child, just in case we hit one
+            if (hitTest && !interactionEvent.target)
             {
                 if (displayObject.hitArea)
                 {
                     displayObject.worldTransform.applyInverse(point, this._tempPoint);
-                    hit = displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y);
+                    if (displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y))
+                    {
+                        hit = true;
+                    }
                 }
                 else if (displayObject.containsPoint)
                 {
-                    hit = displayObject.containsPoint(point);
+                    if (displayObject.containsPoint(point))
+                    {
+                        hit = true;
+                    }
                 }
             }
 
@@ -878,7 +1098,10 @@
                     interactionEvent.target = displayObject;
                 }
 
-                func(interactionEvent, displayObject, hit);
+                if (func)
+                {
+                    func(interactionEvent, displayObject, !!hit);
+                }
             }
         }
 
@@ -914,7 +1137,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -998,7 +1221,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1098,7 +1321,7 @@
 
             const test = isRightButton ? flags.RIGHT_DOWN : flags.LEFT_DOWN;
 
-            const isDown = trackingData !== undefined && (trackingData.flags | test);
+            const isDown = trackingData !== undefined && (trackingData.flags & test);
 
             if (hit)
             {
@@ -1118,11 +1341,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }
@@ -1180,7 +1403,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1255,7 +1478,7 @@
             this.setCursorMode(null);
         }
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1268,6 +1491,12 @@
         {
             this.emit('mouseout', interactionEvent);
         }
+        else
+        {
+            // we can get touchleave events after touchend, so we want to make sure we don't
+            // introduce memory leaks
+            this.releaseInteractionDataForPointerId(interactionData.identifier);
+        }
     }
 
     /**
@@ -1344,7 +1573,7 @@
         // Only mouse and pointer can call onPointerOver, so events will always be length 1
         const event = events[0];
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1366,12 +1595,14 @@
      * Get InteractionData for a given pointerId. Store that data as well
      *
      * @private
-     * @param {number} pointerId - Identifier from a pointer event
+     * @param {PointerEvent} event - Normalized pointer event, output from normalizeToPointerData
      * @return {InteractionData} - Interaction data for the given pointer identifier
      */
-    getInteractionDataForPointerId(pointerId)
+    getInteractionDataForPointerId(event)
     {
-        if (pointerId === MOUSE_POINTER_ID)
+        const pointerId = event.pointerId;
+
+        if (pointerId === MOUSE_POINTER_ID || event.pointerType === 'mouse')
         {
             return this.mouse;
         }
diff --git a/src/interaction/InteractionTrackingData.js b/src/interaction/InteractionTrackingData.js
index 6a1f69e..8493b63 100644
--- a/src/interaction/InteractionTrackingData.js
+++ b/src/interaction/InteractionTrackingData.js
@@ -35,8 +35,10 @@
     }
 
     /**
+     * Unique pointer id of the event
+     *
      * @readonly
-     * @type {number} Unique pointer id of the event
+     * @member {number}
      */
     get pointerId()
     {
diff --git a/src/interaction/index.js b/src/interaction/index.js
index 56c5b09..72f7d71 100644
--- a/src/interaction/index.js
+++ b/src/interaction/index.js
@@ -1,4 +1,8 @@
 /**
+ * This namespace contains a renderer plugin for handling mouse, pointer, and touch events.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.interaction
  */
 export { default as InteractionData } from './InteractionData';
diff --git a/src/interaction/interactiveTarget.js b/src/interaction/interactiveTarget.js
index d252fba..cebac40 100644
--- a/src/interaction/interactiveTarget.js
+++ b/src/interaction/interactiveTarget.js
@@ -2,7 +2,7 @@
  * Default property values of interactive objects
  * Used by {@link PIXI.interaction.InteractionManager} to automatically give all DisplayObjects these properties
  *
- * @mixin
+ * @private
  * @name interactiveTarget
  * @memberof PIXI.interaction
  * @example
@@ -14,18 +14,28 @@
  *      );
  */
 export default {
+
     /**
-     * Determines if the displayObject be clicked/touched
+     * Enable interaction events for the DisplayObject. Touch, pointer and mouse
+     * events will not be emitted unless `interactive` is set to `true`.
      *
-     * @inner {boolean}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.on('tap', (event) => {
+     *    //handle event
+     * });
+     * @member {boolean}
+     * @memberof PIXI.DisplayObject#
      */
     interactive: false,
 
     /**
      * Determines if the children to the displayObject can be clicked/touched
-     * Setting this to false allows pixi to bypass a recursive hitTest function
+     * Setting this to false allows pixi to bypass a recursive `hitTest` function
      *
-     * @inner {boolean}
+     * @member {boolean}
+     * @memberof PIXI.Container#
      */
     interactiveChildren: true,
 
@@ -33,7 +43,12 @@
      * Interaction shape. Children will be hit first, then this shape will be checked.
      * Setting this will cause this shape to be checked in hit tests rather than the displayObject's bounds.
      *
-     * @inner {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.hitArea = new PIXI.Rectangle(0, 0, 100, 100);
+     * @member {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @memberof PIXI.DisplayObject#
      */
     hitArea: null,
 
@@ -41,8 +56,12 @@
      * If enabled, the mouse cursor use the pointer behavior when hovered over the displayObject if it is interactive
      * Setting this changes the 'cursor' property to `'pointer'`.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.buttonMode = true;
      * @member {boolean}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      */
     get buttonMode()
     {
@@ -64,9 +83,14 @@
      * This defines what cursor mode is used when the mouse cursor
      * is hovered over the displayObject.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.cursor = 'wait';
      * @see https://developer.mozilla.org/en/docs/Web/CSS/cursor
      *
-     * @inner {string}
+     * @member {string}
+     * @memberof PIXI.DisplayObject#
      */
     cursor: null,
 
@@ -74,7 +98,7 @@
      * Internal set of all active pointers, by identifier
      *
      * @member {Map<number, InteractionTrackingData>}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      * @private
      */
     get trackedPointers()
@@ -87,7 +111,8 @@
     /**
      * Map of all tracked pointers, by identifier. Use trackedPointers to access.
      *
-     * @private {Map<number, InteractionTrackingData>}
+     * @private
+     * @type {Map<number, InteractionTrackingData>}
      */
     _trackedPointers: undefined,
 };
diff --git a/src/loaders/index.js b/src/loaders/index.js
index 5189793..daa1fc4 100644
--- a/src/loaders/index.js
+++ b/src/loaders/index.js
@@ -1,9 +1,22 @@
+import Application from '../core/Application';
+import Loader from './loader';
+
 /**
+ * This namespace contains APIs which extends the {@link https://github.com/englercj/resource-loader resource-loader} module
+ * for loading assets, data, and other resources dynamically.
+ * @example
+ * const loader = new PIXI.loaders.Loader();
+ * loader.add('bunny', 'data/bunny.png')
+ *       .add('spaceship', 'assets/spritesheet.json');
+ * loader.load((loader, resources) => {
+ *    // resources.bunny
+ *    // resources.spaceship
+ * });
  * @namespace PIXI.loaders
  */
-export { default as Loader } from './loader';
+export { Loader };
 export { default as bitmapFontParser, parse as parseBitmapFontData } from './bitmapFontParser';
-export { default as spritesheetParser } from './spritesheetParser';
+export { default as spritesheetParser, getResourcePath } from './spritesheetParser';
 export { default as textureParser } from './textureParser';
 
 /**
@@ -13,3 +26,55 @@
  * @memberof PIXI.loaders
  */
 export { Resource } from 'resource-loader';
+
+/**
+ * A premade instance of the loader that can be used to load resources.
+ * @name shared
+ * @memberof PIXI.loaders
+ * @type {PIXI.loaders.Loader}
+ */
+const shared = new Loader();
+
+shared.destroy = () =>
+{
+    // protect destroying shared loader
+};
+
+export { shared };
+
+// Mixin the loader construction
+const AppPrototype = Application.prototype;
+
+AppPrototype._loader = null;
+
+/**
+ * Loader instance to help with asset loading.
+ * @name PIXI.Application#loader
+ * @type {PIXI.loaders.Loader}
+ */
+Object.defineProperty(AppPrototype, 'loader', {
+    get()
+    {
+        if (!this._loader)
+        {
+            const sharedLoader = this._options.sharedLoader;
+
+            this._loader = sharedLoader ? shared : new Loader();
+        }
+
+        return this._loader;
+    },
+});
+
+// Override the destroy function
+// making sure to destroy the current Loader
+AppPrototype._parentDestroy = AppPrototype.destroy;
+AppPrototype.destroy = function destroy()
+{
+    if (this._loader)
+    {
+        this._loader.destroy();
+        this._loader = null;
+    }
+    this._parentDestroy();
+};
diff --git a/src/loaders/loader.js b/src/loaders/loader.js
index 767a411..59b8000 100644
--- a/src/loaders/loader.js
+++ b/src/loaders/loader.js
@@ -90,6 +90,15 @@
     {
         Loader._pixiMiddleware.push(fn);
     }
+
+    /**
+     * Destroy the loader, removes references.
+     */
+    destroy()
+    {
+        this.removeAllListeners();
+        this.reset();
+    }
 }
 
 // Copy EE3 prototype (mixin)
diff --git a/src/loaders/spritesheetParser.js b/src/loaders/spritesheetParser.js
index e57dfb2..eda9584 100644
--- a/src/loaders/spritesheetParser.js
+++ b/src/loaders/spritesheetParser.js
@@ -1,12 +1,11 @@
 import { Resource } from 'resource-loader';
-import path from 'path';
+import url from 'url';
 import { Spritesheet } from '../core';
 
 export default function ()
 {
     return function spritesheetParser(resource, next)
     {
-        let resourcePath;
         const imageResourceName = `${resource.name}_image`;
 
         // skip if no data, its not json, it isn't spritesheet data, or the image resource already exists
@@ -28,15 +27,7 @@
             parentResource: resource,
         };
 
-        // Prepend url path unless the resource image is a data url
-        if (resource.isDataUrl)
-        {
-            resourcePath = resource.data.meta.image;
-        }
-        else
-        {
-            resourcePath = `${path.dirname(resource.url.replace(this.baseUrl, ''))}/${resource.data.meta.image}`;
-        }
+        const resourcePath = getResourcePath(resource, this.baseUrl);
 
         // load the image for this sheet
         this.add(imageResourceName, resourcePath, loadOptions, function onImageLoad(res)
@@ -56,3 +47,14 @@
         });
     };
 }
+
+export function getResourcePath(resource, baseUrl)
+{
+    // Prepend url path unless the resource image is a data url
+    if (resource.isDataUrl)
+    {
+        return resource.data.meta.image;
+    }
+
+    return url.resolve(resource.url.replace(baseUrl, ''), resource.data.meta.image);
+}
diff --git a/src/mesh/canvas/CanvasMeshRenderer.js b/src/mesh/canvas/CanvasMeshRenderer.js
index 297205f..f7899e1 100644
--- a/src/mesh/canvas/CanvasMeshRenderer.js
+++ b/src/mesh/canvas/CanvasMeshRenderer.js
@@ -134,12 +134,33 @@
         const textureWidth = base.width;
         const textureHeight = base.height;
 
-        const u0 = uvs[index0] * base.width;
-        const u1 = uvs[index1] * base.width;
-        const u2 = uvs[index2] * base.width;
-        const v0 = uvs[index0 + 1] * base.height;
-        const v1 = uvs[index1 + 1] * base.height;
-        const v2 = uvs[index2 + 1] * base.height;
+        let u0;
+        let u1;
+        let u2;
+        let v0;
+        let v1;
+        let v2;
+
+        if (mesh.uploadUvTransform)
+        {
+            const ut = mesh._uvTransform.mapCoord;
+
+            u0 = ((uvs[index0] * ut.a) + (uvs[index0 + 1] * ut.c) + ut.tx) * base.width;
+            u1 = ((uvs[index1] * ut.a) + (uvs[index1 + 1] * ut.c) + ut.tx) * base.width;
+            u2 = ((uvs[index2] * ut.a) + (uvs[index2 + 1] * ut.c) + ut.tx) * base.width;
+            v0 = ((uvs[index0] * ut.b) + (uvs[index0 + 1] * ut.d) + ut.ty) * base.height;
+            v1 = ((uvs[index1] * ut.b) + (uvs[index1 + 1] * ut.d) + ut.ty) * base.height;
+            v2 = ((uvs[index2] * ut.b) + (uvs[index2 + 1] * ut.d) + ut.ty) * base.height;
+        }
+        else
+        {
+            u0 = uvs[index0] * base.width;
+            u1 = uvs[index1] * base.width;
+            u2 = uvs[index2] * base.width;
+            v0 = uvs[index0 + 1] * base.height;
+            v1 = uvs[index1 + 1] * base.height;
+            v2 = uvs[index2 + 1] * base.height;
+        }
 
         let x0 = vertices[index0];
         let x1 = vertices[index1];
diff --git a/src/mesh/webgl/MeshRenderer.js b/src/mesh/webgl/MeshRenderer.js
index 78d24c3..ab99fcd 100644
--- a/src/mesh/webgl/MeshRenderer.js
+++ b/src/mesh/webgl/MeshRenderer.js
@@ -2,6 +2,8 @@
 
 const byteSizeMap = { 5126: 4, 5123: 2, 5121: 1 };
 
+const matrixIdentity = core.Matrix.IDENTITY;
+
 /**
  * WebGL renderer plugin for tiling sprites
  *
@@ -64,6 +66,7 @@
         mesh.geometry.glVertexArrayObjects[this.CONTEXT_UID].draw(mesh.drawMode, mesh.size, mesh.start, mesh.geometry.instanceCount);
     }
 
+
     /**
      * draws mesh
      * @param {PIXI.mesh.RawMesh} mesh mesh instance
diff --git a/src/mesh/webgl/mesh.vert b/src/mesh/webgl/mesh.vert
index a337aef..acc096c 100644
--- a/src/mesh/webgl/mesh.vert
+++ b/src/mesh/webgl/mesh.vert
@@ -1,8 +1,9 @@
 attribute vec2 aVertexPosition;
 attribute vec2 aTextureCoord;
 
-uniform mat3 translationMatrix;
 uniform mat3 projectionMatrix;
+uniform mat3 translationMatrix;
+uniform mat3 uTransform;
 
 varying vec2 vTextureCoord;
 
@@ -10,5 +11,5 @@
 {
     gl_Position = vec4((projectionMatrix * translationMatrix * vec3(aVertexPosition, 1.0)).xy, 0.0, 1.0);
 
-    vTextureCoord = aTextureCoord;
+    vTextureCoord = (uTransform * vec3(aTextureCoord, 1.0)).xy;
 }
diff --git a/src/particles/ParticleContainer.js b/src/particles/ParticleContainer.js
index 67796cf..63f7791 100644
--- a/src/particles/ParticleContainer.js
+++ b/src/particles/ParticleContainer.js
@@ -313,10 +313,10 @@
                 frame.y * resolution,
                 frame.width * resolution,
                 frame.height * resolution,
-                positionX * resolution,
-                positionY * resolution,
-                finalWidth * resolution,
-                finalHeight * resolution
+                positionX * renderer.resolution,
+                positionY * renderer.resolution,
+                finalWidth * renderer.resolution,
+                finalHeight * renderer.resolution
             );
         }
     }
diff --git a/src/prepare/BasePrepare.js b/src/prepare/BasePrepare.js
index 09eb5e5..e45c4dc 100644
--- a/src/prepare/BasePrepare.js
+++ b/src/prepare/BasePrepare.js
@@ -18,6 +18,18 @@
  * basic queuing functionality and is extended by {@link PIXI.prepare.WebGLPrepare} and {@link PIXI.prepare.CanvasPrepare}
  * to provide preparation capabilities specific to their respective renderers.
  *
+ * @example
+ * // Create a sprite
+ * const sprite = new PIXI.Sprite.fromImage('something.png');
+ *
+ * // Load object into GPU
+ * app.renderer.plugins.prepare.upload(sprite, () => {
+ *
+ *     //Texture(s) has been uploaded to GPU
+ *     app.stage.addChild(sprite);
+ *
+ * })
+ *
  * @abstract
  * @class
  * @memberof PIXI.prepare
@@ -100,8 +112,16 @@
             this.prepareItems();
         };
 
-        this.register(findText, drawText);
-        this.register(findTextStyle, calculateTextStyle);
+        // hooks to find the correct texture
+        this.registerFindHook(findText);
+        this.registerFindHook(findTextStyle);
+        this.registerFindHook(findMultipleBaseTextures);
+        this.registerFindHook(findBaseTexture);
+        this.registerFindHook(findTexture);
+
+        // upload hooks
+        this.registerUploadHook(drawText);
+        this.registerUploadHook(calculateTextStyle);
     }
 
     /**
@@ -138,7 +158,7 @@
             if (!this.ticking)
             {
                 this.ticking = true;
-                SharedTicker.addOnce(this.tick, this);
+                SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
             }
         }
         else if (done)
@@ -172,13 +192,16 @@
             const item = this.queue[0];
             let uploaded = false;
 
-            for (let i = 0, len = this.uploadHooks.length; i < len; i++)
+            if (item && !item._destroyed)
             {
-                if (this.uploadHooks[i](this.uploadHookHelper, item))
+                for (let i = 0, len = this.uploadHooks.length; i < len; i++)
                 {
-                    this.queue.shift();
-                    uploaded = true;
-                    break;
+                    if (this.uploadHooks[i](this.uploadHookHelper, item))
+                    {
+                        this.queue.shift();
+                        uploaded = true;
+                        break;
+                    }
                 }
             }
 
@@ -205,26 +228,36 @@
         else
         {
             // if we are not finished, on the next rAF do this again
-            SharedTicker.addOnce(this.tick, this);
+            SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
         }
     }
 
     /**
-     * Adds hooks for finding and uploading items.
+     * Adds hooks for finding items.
      *
-     * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
-              function must return `true` if it was able to add item to the queue.
-     * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
-     *        function must return `true` if it was able to handle upload of item.
-     * @return {PIXI.CanvasPrepare} Instance of plugin for chaining.
+     * @param {Function} addHook - Function call that takes two parameters: `item:*, queue:Array`
+     *          function must return `true` if it was able to add item to the queue.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
      */
-    register(addHook, uploadHook)
+    registerFindHook(addHook)
     {
         if (addHook)
         {
             this.addHooks.push(addHook);
         }
 
+        return this;
+    }
+
+    /**
+     * Adds hooks for uploading items.
+     *
+     * @param {Function} uploadHook - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+     *          function must return `true` if it was able to handle upload of item.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+     */
+    registerUploadHook(uploadHook)
+    {
         if (uploadHook)
         {
             this.uploadHooks.push(uploadHook);
@@ -287,6 +320,88 @@
 }
 
 /**
+ * Built-in hook to find multiple textures from objects like AnimatedSprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findMultipleBaseTextures(item, queue)
+{
+    let result = false;
+
+    // Objects with mutliple textures
+    if (item && item._textures && item._textures.length)
+    {
+        for (let i = 0; i < item._textures.length; i++)
+        {
+            if (item._textures[i] instanceof core.Texture)
+            {
+                const baseTexture = item._textures[i].baseTexture;
+
+                if (queue.indexOf(baseTexture) === -1)
+                {
+                    queue.push(baseTexture);
+                    result = true;
+                }
+            }
+        }
+    }
+
+    return result;
+}
+
+/**
+ * Built-in hook to find BaseTextures from Sprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findBaseTexture(item, queue)
+{
+    // Objects with textures, like Sprites/Text
+    if (item instanceof core.BaseTexture)
+    {
+        if (queue.indexOf(item) === -1)
+        {
+            queue.push(item);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
+ * Built-in hook to find textures from objects.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findTexture(item, queue)
+{
+    if (item._texture && item._texture instanceof core.Texture)
+    {
+        const texture = item._texture.baseTexture;
+
+        if (queue.indexOf(texture) === -1)
+        {
+            queue.push(texture);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
  * Built-in hook to draw PIXI.Text to its texture.
  *
  * @private
diff --git a/src/prepare/canvas/CanvasPrepare.js b/src/prepare/canvas/CanvasPrepare.js
index 0224bb5..09c207a 100644
--- a/src/prepare/canvas/CanvasPrepare.js
+++ b/src/prepare/canvas/CanvasPrepare.js
@@ -43,7 +43,7 @@
         this.ctx = this.canvas.getContext('2d');
 
         // Add textures to upload
-        this.register(findBaseTextures, uploadBaseTextures);
+        this.registerUploadHook(uploadBaseTextures);
     }
 
     /**
@@ -89,39 +89,4 @@
     return false;
 }
 
-/**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item  -Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
 core.CanvasRenderer.registerPlugin('prepare', CanvasPrepare);
diff --git a/src/prepare/index.js b/src/prepare/index.js
index f559c45..e7491ec 100644
--- a/src/prepare/index.js
+++ b/src/prepare/index.js
@@ -1,4 +1,29 @@
 /**
+ * The prepare namespace provides renderer-specific plugins for pre-rendering DisplayObjects. These plugins are useful for
+ * asynchronously preparing assets, textures, graphics waiting to be displayed.
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ * document.body.appendChild(app.view);
+ *
+ * // Don't start rendering right away
+ * app.stop();
+ *
+ * // create a display object
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add to the stage
+ * app.stage.addChild(rect);
+ *
+ * // Don't start rendering until the graphic is uploaded to the GPU
+ * app.renderer.plugins.prepare.upload(app.stage, () => {
+ *     app.start();
+ * });
  * @namespace PIXI.prepare
  */
 export { default as webgl } from './webgl/WebGLPrepare';
diff --git a/src/prepare/webgl/WebGLPrepare.js b/src/prepare/webgl/WebGLPrepare.js
index eb7023f..9df3c3f 100644
--- a/src/prepare/webgl/WebGLPrepare.js
+++ b/src/prepare/webgl/WebGLPrepare.js
@@ -22,12 +22,11 @@
         this.uploadHookHelper = this.renderer;
 
         // Add textures and graphics to upload
-        this.register(findBaseTextures, uploadBaseTextures)
-            .register(findGraphics, uploadGraphics);
+        this.registerFindHook(findGraphics);
+        this.registerUploadHook(uploadBaseTextures);
+        this.registerUploadHook(uploadGraphics);
     }
-
 }
-
 /**
  * Built-in hook to upload PIXI.Texture objects to the GPU.
  *
@@ -80,41 +79,6 @@
 }
 
 /**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item - Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
-/**
  * Built-in hook to find graphics.
  *
  * @private
diff --git a/test/.eslintrc.json b/test/.eslintrc.json
index e03220d..ac12110 100644
--- a/test/.eslintrc.json
+++ b/test/.eslintrc.json
@@ -12,7 +12,8 @@
         "sinon": false,
         "expect": false,
         "assert": false,
-        "PIXI": false
+        "PIXI": false,
+        "PointerEvent": true
     },
     "rules": {
         "func-names": 0,
diff --git a/test/core/BaseTexture.js b/test/core/BaseTexture.js
index 8b93478..bb65068 100644
--- a/test/core/BaseTexture.js
+++ b/test/core/BaseTexture.js
@@ -14,4 +14,28 @@
             expect(baseTexture.imageType).to.be.equals('png');
         });
     });
+
+    it('should remove Canvas BaseTexture from cache on destroy', function ()
+    {
+        const canvas = document.createElement('canvas');
+        const texture = PIXI.BaseTexture.fromCanvas(canvas);
+        const _pixiId = canvas._pixiId;
+
+        expect(PIXI.utils.BaseTextureCache[_pixiId]).to.equal(texture);
+        texture.destroy();
+        expect(PIXI.utils.BaseTextureCache[_pixiId]).to.equal(undefined);
+    });
+
+    it('should remove Image BaseTexture from cache on destroy', function ()
+    {
+        const URL = 'foo.png';
+        const NAME = 'bar';
+        const image = new Image();
+
+        const texture = PIXI.Texture.fromLoader(image, URL, NAME);
+
+        expect(PIXI.utils.BaseTextureCache[NAME]).to.equal(texture.baseTexture);
+        texture.destroy(true);
+        expect(PIXI.utils.BaseTextureCache[NAME]).to.equal(undefined);
+    });
 });
diff --git a/test/core/Circle.js b/test/core/Circle.js
index 183f98f..f621992 100644
--- a/test/core/Circle.js
+++ b/test/core/Circle.js
@@ -53,6 +53,10 @@
         expect(circ1.contains(10, 16)).to.be.false;
         expect(circ1.contains(11, 15)).to.be.false;
         expect(circ1.contains(0, 0)).to.be.false;
+
+        const circ2 = new PIXI.Circle(10, 10, 0);
+
+        expect(circ2.contains(10, 10)).to.be.false;
     });
 
     it('should return framing rectangle', function ()
diff --git a/test/core/Container.js b/test/core/Container.js
index d11be33..cefde54 100644
--- a/test/core/Container.js
+++ b/test/core/Container.js
@@ -2,30 +2,36 @@
 
 function testAddChild(fn)
 {
-    fn(function (container, obj)
+    return function ()
     {
-        container.addChild(obj);
-    });
-    fn(function (container, obj)
-    {
-        container.addChildAt(obj);
-    });
+        fn(function (container, obj)
+        {
+            container.addChild(obj);
+        });
+        fn(function (container, obj)
+        {
+            container.addChildAt(obj);
+        });
+    };
 }
 
 function testRemoveChild(fn)
 {
-    fn(function (container, obj)
+    return function ()
     {
-        container.removeChild(obj);
-    });
-    fn(function (container, obj)
-    {
-        container.removeChildAt(container.children.indexOf(obj));
-    });
-    fn(function (container, obj)
-    {
-        container.removeChildren(container.children.indexOf(obj), container.children.indexOf(obj) + 1);
-    });
+        fn(function (container, obj)
+        {
+            container.removeChild(obj);
+        });
+        fn(function (container, obj)
+        {
+            container.removeChildAt(container.children.indexOf(obj));
+        });
+        fn(function (container, obj)
+        {
+            container.removeChildren(container.children.indexOf(obj), container.children.indexOf(obj) + 1);
+        });
+    };
 }
 
 describe('PIXI.Container', function ()
diff --git a/test/core/Ellipse.js b/test/core/Ellipse.js
index f2e8234..3f47442 100644
--- a/test/core/Ellipse.js
+++ b/test/core/Ellipse.js
@@ -56,6 +56,10 @@
         expect(ellipse1.contains(10, 16)).to.be.false;
         expect(ellipse1.contains(11, 15)).to.be.false;
         expect(ellipse1.contains(0, 0)).to.be.false;
+
+        const ellipse2 = new PIXI.Ellipse(10, 10, 0, 0);
+
+        expect(ellipse2.contains(10, 10)).to.be.false;
     });
 
     it('should return framing rectangle', function ()
diff --git a/test/core/Matrix.js b/test/core/Matrix.js
index 9d2694b..76bd57c 100644
--- a/test/core/Matrix.js
+++ b/test/core/Matrix.js
@@ -107,10 +107,60 @@
         expect(m1.ty).to.equal(m2.ty);
     });
 
+    it('should prepend matrix', function ()
+    {
+        const m1 = new PIXI.Matrix();
+        const m2 = new PIXI.Matrix();
+
+        m2.set(2, 3, 4, 5, 100, 200);
+        m1.prepend(m2);
+
+        expect(m1.a).to.equal(m2.a);
+        expect(m1.b).to.equal(m2.b);
+        expect(m1.c).to.equal(m2.c);
+        expect(m1.d).to.equal(m2.d);
+        expect(m1.tx).to.equal(m2.tx);
+        expect(m1.ty).to.equal(m2.ty);
+
+        const m3 = new PIXI.Matrix();
+        const m4 = new PIXI.Matrix();
+
+        m3.prepend(m4);
+
+        expect(m3.a).to.equal(m4.a);
+        expect(m3.b).to.equal(m4.b);
+        expect(m3.c).to.equal(m4.c);
+        expect(m3.d).to.equal(m4.d);
+        expect(m3.tx).to.equal(m4.tx);
+        expect(m3.ty).to.equal(m4.ty);
+    });
+
     it('should get IDENTITY and TEMP_MATRIX', function ()
     {
         expect(PIXI.Matrix.IDENTITY instanceof PIXI.Matrix).to.be.true;
         expect(PIXI.Matrix.TEMP_MATRIX instanceof PIXI.Matrix).to.be.true;
     });
-});
 
+    it('should reset matrix to default when identity() is called', function ()
+    {
+        const matrix = new PIXI.Matrix();
+
+        matrix.set(2, 3, 4, 5, 100, 200);
+
+        expect(matrix.a).to.equal(2);
+        expect(matrix.b).to.equal(3);
+        expect(matrix.c).to.equal(4);
+        expect(matrix.d).to.equal(5);
+        expect(matrix.tx).to.equal(100);
+        expect(matrix.ty).to.equal(200);
+
+        matrix.identity();
+
+        expect(matrix.a).to.equal(1);
+        expect(matrix.b).to.equal(0);
+        expect(matrix.c).to.equal(0);
+        expect(matrix.d).to.equal(1);
+        expect(matrix.tx).to.equal(0);
+        expect(matrix.ty).to.equal(0);
+    });
+});
diff --git a/test/core/Spritesheet.js b/test/core/Spritesheet.js
index 283adf5..7601a0c 100644
--- a/test/core/Spritesheet.js
+++ b/test/core/Spritesheet.js
@@ -18,6 +18,7 @@
                 expect(textures[id]).to.be.an.instanceof(PIXI.Texture);
                 expect(textures[id].width).to.equal(spritesheet.data.frames[id].frame.w / spritesheet.resolution);
                 expect(textures[id].height).to.equal(spritesheet.data.frames[id].frame.h / spritesheet.resolution);
+                expect(textures[id].textureCacheId).to.equal(id);
                 spritesheet.destroy(true);
                 expect(spritesheet.textures).to.be.null;
                 expect(spritesheet.baseTexture).to.be.null;

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line
diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 02d53a3..449f8cc 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -30,7 +30,10 @@
         /**
          * When passed to an event handler, this will be the original DOM Event that was captured
          *
-         * @member {Event}
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+         * @member {MouseEvent|TouchEvent|PointerEvent}
          */
         this.originalEvent = null;
     }
diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 8baf13a..2d75c7c 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -13,6 +13,14 @@
 
 const MOUSE_POINTER_ID = 'MOUSE';
 
+// helpers for hitTest() - only used inside hitTest()
+const hitTestEvent = {
+    target: null,
+    data: {
+        global: null,
+    },
+};
+
 /**
  * The interaction manager deals with mouse, touch and pointer events. Any DisplayObject can be interactive
  * if its interactive parameter is set to true
@@ -245,67 +253,60 @@
         this.setTargetElement(this.renderer.view, this.renderer.resolution);
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed on the display
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display
          * object.
          *
-         * @event mousedown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * on the display object.
          *
-         * @event rightdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released over the display
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
          * object.
          *
-         * @event mouseup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is released
          * over the display object.
          *
-         * @event rightup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed and released on
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
          * the display object.
          *
-         * @event click
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * and released on the display object.
          *
-         * @event rightclick
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released outside the
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
          * display object that initially registered a
          * [mousedown]{@link PIXI.interaction.InteractionManager#event:mousedown}.
          *
-         * @event mouseupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
@@ -313,146 +314,362 @@
          * outside the display object that initially registered a
          * [rightdown]{@link PIXI.interaction.InteractionManager#event:rightdown}.
          *
-         * @event rightupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved while over the display object
          *
-         * @event mousemove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved onto the display object
          *
-         * @event mouseover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved off the display object
          *
-         * @event mouseout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed on the display object.
          *
-         * @event pointerdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released over the display object.
          *
-         * @event pointerup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a pointer event
          *
-         * @event pointercancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed and released on the display object.
          *
-         * @event pointertap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released outside the display object that initially
          * registered a [pointerdown]{@link PIXI.interaction.InteractionManager#event:pointerdown}.
          *
-         * @event pointerupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved while over the display object
          *
-         * @event pointermove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved onto the display object
          *
-         * @event pointerover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved off the display object
          *
-         * @event pointerout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed on the display object.
          *
-         * @event touchstart
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed from the display object.
          *
-         * @event touchend
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a touch
          *
-         * @event touchcancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed and removed from the display object.
          *
-         * @event tap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed outside of the display object that initially
          * registered a [touchstart]{@link PIXI.interaction.InteractionManager#event:touchstart}.
          *
-         * @event touchendoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is moved along the display object.
          *
-         * @event touchmove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display.
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * over the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
+         * the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * and released on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
+         * display object that initially registered a
+         * [mousedown]{@link PIXI.DisplayObject#event:mousedown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * outside the display object that initially registered a
+         * [rightdown]{@link PIXI.DisplayObject#event:rightdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a pointer event.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed and released on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released outside the display object that initially
+         * registered a [pointerdown]{@link PIXI.DisplayObject#event:pointerdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a touch.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed and removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed outside of the display object that initially
+         * registered a [touchstart]{@link PIXI.DisplayObject#event:touchstart}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is moved along the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+    }
+
+    /**
+     * Hit tests a point against the display tree, returning the first interactive object that is hit.
+     *
+     * @param {PIXI.Point} globalPoint - A point to hit test with, in global space.
+     * @param {PIXI.Container} [root] - The root display object to start from. If omitted, defaults
+     * to the last rendered root of the associated renderer.
+     * @return {PIXI.DisplayObject} The hit display object, if any.
+     */
+    hitTest(globalPoint, root)
+    {
+        // clear the target for our hit test
+        hitTestEvent.target = null;
+        // assign the global point
+        hitTestEvent.data.global = globalPoint;
+        // ensure safety of the root
+        if (!root)
+        {
+            root = this.renderer._lastObjectRendered;
+        }
+        // run the hit test
+        this.processInteractive(hitTestEvent, root, null, true);
+        // return our found object - it'll be null if we didn't hit anything
+
+        return hitTestEvent.target;
     }
 
     /**
@@ -487,7 +704,7 @@
             return;
         }
 
-        core.ticker.shared.add(this.update, this);
+        core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.INTERACTION);
 
         if (window.navigator.msPointerEnabled)
         {
@@ -804,8 +1021,6 @@
             }
         }
 
-        let keepHitTestingAfterChildren = hitTest;
-
         // ** FREE TIP **! If an object is not interactive or has no buttons in it
         // (such as a game scene!) set interactiveChildren to false for that displayObject.
         // This will allow pixi to completely ignore and bypass checking the displayObjects children.
@@ -818,7 +1033,9 @@
                 const child = children[i];
 
                 // time to get recursive.. if this function will return if something is hit..
-                if (this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent))
+                const childHit = this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent);
+
+                if (childHit)
                 {
                     // its a good idea to check if a child has lost its parent.
                     // this means it has been removed whilst looping so its best
@@ -827,8 +1044,6 @@
                         continue;
                     }
 
-                    hit = true;
-
                     // we no longer need to hit test any more objects in this container as we we
                     // now know the parent has been hit
                     interactiveParent = false;
@@ -838,36 +1053,41 @@
                     // This means we no longer need to hit test anything else. We still need to run
                     // through all objects, but we don't need to perform any hit tests.
 
-                    keepHitTestingAfterChildren = false;
-
-                    if (child.interactive)
+                    if (childHit)
                     {
-                        hitTest = false;
+                        if (interactionEvent.target)
+                        {
+                            hitTest = false;
+                        }
+                        hit = true;
                     }
-
-                    // we can break now as we have hit an object.
                 }
             }
         }
 
-        hitTest = keepHitTestingAfterChildren;
-
         // no point running this if the item is not interactive or does not have an interactive parent.
         if (interactive)
         {
             // if we are hit testing (as in we have no hit any objects yet)
             // We also don't need to worry about hit testing if once of the displayObjects children
-            // has already been hit!
-            if (hitTest && !hit)
+            // has already been hit - but only if it was interactive, otherwise we need to keep
+            // looking for an interactive child, just in case we hit one
+            if (hitTest && !interactionEvent.target)
             {
                 if (displayObject.hitArea)
                 {
                     displayObject.worldTransform.applyInverse(point, this._tempPoint);
-                    hit = displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y);
+                    if (displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y))
+                    {
+                        hit = true;
+                    }
                 }
                 else if (displayObject.containsPoint)
                 {
-                    hit = displayObject.containsPoint(point);
+                    if (displayObject.containsPoint(point))
+                    {
+                        hit = true;
+                    }
                 }
             }
 
@@ -878,7 +1098,10 @@
                     interactionEvent.target = displayObject;
                 }
 
-                func(interactionEvent, displayObject, hit);
+                if (func)
+                {
+                    func(interactionEvent, displayObject, !!hit);
+                }
             }
         }
 
@@ -914,7 +1137,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -998,7 +1221,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1098,7 +1321,7 @@
 
             const test = isRightButton ? flags.RIGHT_DOWN : flags.LEFT_DOWN;
 
-            const isDown = trackingData !== undefined && (trackingData.flags | test);
+            const isDown = trackingData !== undefined && (trackingData.flags & test);
 
             if (hit)
             {
@@ -1118,11 +1341,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }
@@ -1180,7 +1403,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1255,7 +1478,7 @@
             this.setCursorMode(null);
         }
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1268,6 +1491,12 @@
         {
             this.emit('mouseout', interactionEvent);
         }
+        else
+        {
+            // we can get touchleave events after touchend, so we want to make sure we don't
+            // introduce memory leaks
+            this.releaseInteractionDataForPointerId(interactionData.identifier);
+        }
     }
 
     /**
@@ -1344,7 +1573,7 @@
         // Only mouse and pointer can call onPointerOver, so events will always be length 1
         const event = events[0];
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1366,12 +1595,14 @@
      * Get InteractionData for a given pointerId. Store that data as well
      *
      * @private
-     * @param {number} pointerId - Identifier from a pointer event
+     * @param {PointerEvent} event - Normalized pointer event, output from normalizeToPointerData
      * @return {InteractionData} - Interaction data for the given pointer identifier
      */
-    getInteractionDataForPointerId(pointerId)
+    getInteractionDataForPointerId(event)
     {
-        if (pointerId === MOUSE_POINTER_ID)
+        const pointerId = event.pointerId;
+
+        if (pointerId === MOUSE_POINTER_ID || event.pointerType === 'mouse')
         {
             return this.mouse;
         }
diff --git a/src/interaction/InteractionTrackingData.js b/src/interaction/InteractionTrackingData.js
index 6a1f69e..8493b63 100644
--- a/src/interaction/InteractionTrackingData.js
+++ b/src/interaction/InteractionTrackingData.js
@@ -35,8 +35,10 @@
     }
 
     /**
+     * Unique pointer id of the event
+     *
      * @readonly
-     * @type {number} Unique pointer id of the event
+     * @member {number}
      */
     get pointerId()
     {
diff --git a/src/interaction/index.js b/src/interaction/index.js
index 56c5b09..72f7d71 100644
--- a/src/interaction/index.js
+++ b/src/interaction/index.js
@@ -1,4 +1,8 @@
 /**
+ * This namespace contains a renderer plugin for handling mouse, pointer, and touch events.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.interaction
  */
 export { default as InteractionData } from './InteractionData';
diff --git a/src/interaction/interactiveTarget.js b/src/interaction/interactiveTarget.js
index d252fba..cebac40 100644
--- a/src/interaction/interactiveTarget.js
+++ b/src/interaction/interactiveTarget.js
@@ -2,7 +2,7 @@
  * Default property values of interactive objects
  * Used by {@link PIXI.interaction.InteractionManager} to automatically give all DisplayObjects these properties
  *
- * @mixin
+ * @private
  * @name interactiveTarget
  * @memberof PIXI.interaction
  * @example
@@ -14,18 +14,28 @@
  *      );
  */
 export default {
+
     /**
-     * Determines if the displayObject be clicked/touched
+     * Enable interaction events for the DisplayObject. Touch, pointer and mouse
+     * events will not be emitted unless `interactive` is set to `true`.
      *
-     * @inner {boolean}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.on('tap', (event) => {
+     *    //handle event
+     * });
+     * @member {boolean}
+     * @memberof PIXI.DisplayObject#
      */
     interactive: false,
 
     /**
      * Determines if the children to the displayObject can be clicked/touched
-     * Setting this to false allows pixi to bypass a recursive hitTest function
+     * Setting this to false allows pixi to bypass a recursive `hitTest` function
      *
-     * @inner {boolean}
+     * @member {boolean}
+     * @memberof PIXI.Container#
      */
     interactiveChildren: true,
 
@@ -33,7 +43,12 @@
      * Interaction shape. Children will be hit first, then this shape will be checked.
      * Setting this will cause this shape to be checked in hit tests rather than the displayObject's bounds.
      *
-     * @inner {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.hitArea = new PIXI.Rectangle(0, 0, 100, 100);
+     * @member {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @memberof PIXI.DisplayObject#
      */
     hitArea: null,
 
@@ -41,8 +56,12 @@
      * If enabled, the mouse cursor use the pointer behavior when hovered over the displayObject if it is interactive
      * Setting this changes the 'cursor' property to `'pointer'`.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.buttonMode = true;
      * @member {boolean}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      */
     get buttonMode()
     {
@@ -64,9 +83,14 @@
      * This defines what cursor mode is used when the mouse cursor
      * is hovered over the displayObject.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.cursor = 'wait';
      * @see https://developer.mozilla.org/en/docs/Web/CSS/cursor
      *
-     * @inner {string}
+     * @member {string}
+     * @memberof PIXI.DisplayObject#
      */
     cursor: null,
 
@@ -74,7 +98,7 @@
      * Internal set of all active pointers, by identifier
      *
      * @member {Map<number, InteractionTrackingData>}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      * @private
      */
     get trackedPointers()
@@ -87,7 +111,8 @@
     /**
      * Map of all tracked pointers, by identifier. Use trackedPointers to access.
      *
-     * @private {Map<number, InteractionTrackingData>}
+     * @private
+     * @type {Map<number, InteractionTrackingData>}
      */
     _trackedPointers: undefined,
 };
diff --git a/src/loaders/index.js b/src/loaders/index.js
index 5189793..daa1fc4 100644
--- a/src/loaders/index.js
+++ b/src/loaders/index.js
@@ -1,9 +1,22 @@
+import Application from '../core/Application';
+import Loader from './loader';
+
 /**
+ * This namespace contains APIs which extends the {@link https://github.com/englercj/resource-loader resource-loader} module
+ * for loading assets, data, and other resources dynamically.
+ * @example
+ * const loader = new PIXI.loaders.Loader();
+ * loader.add('bunny', 'data/bunny.png')
+ *       .add('spaceship', 'assets/spritesheet.json');
+ * loader.load((loader, resources) => {
+ *    // resources.bunny
+ *    // resources.spaceship
+ * });
  * @namespace PIXI.loaders
  */
-export { default as Loader } from './loader';
+export { Loader };
 export { default as bitmapFontParser, parse as parseBitmapFontData } from './bitmapFontParser';
-export { default as spritesheetParser } from './spritesheetParser';
+export { default as spritesheetParser, getResourcePath } from './spritesheetParser';
 export { default as textureParser } from './textureParser';
 
 /**
@@ -13,3 +26,55 @@
  * @memberof PIXI.loaders
  */
 export { Resource } from 'resource-loader';
+
+/**
+ * A premade instance of the loader that can be used to load resources.
+ * @name shared
+ * @memberof PIXI.loaders
+ * @type {PIXI.loaders.Loader}
+ */
+const shared = new Loader();
+
+shared.destroy = () =>
+{
+    // protect destroying shared loader
+};
+
+export { shared };
+
+// Mixin the loader construction
+const AppPrototype = Application.prototype;
+
+AppPrototype._loader = null;
+
+/**
+ * Loader instance to help with asset loading.
+ * @name PIXI.Application#loader
+ * @type {PIXI.loaders.Loader}
+ */
+Object.defineProperty(AppPrototype, 'loader', {
+    get()
+    {
+        if (!this._loader)
+        {
+            const sharedLoader = this._options.sharedLoader;
+
+            this._loader = sharedLoader ? shared : new Loader();
+        }
+
+        return this._loader;
+    },
+});
+
+// Override the destroy function
+// making sure to destroy the current Loader
+AppPrototype._parentDestroy = AppPrototype.destroy;
+AppPrototype.destroy = function destroy()
+{
+    if (this._loader)
+    {
+        this._loader.destroy();
+        this._loader = null;
+    }
+    this._parentDestroy();
+};
diff --git a/src/loaders/loader.js b/src/loaders/loader.js
index 767a411..59b8000 100644
--- a/src/loaders/loader.js
+++ b/src/loaders/loader.js
@@ -90,6 +90,15 @@
     {
         Loader._pixiMiddleware.push(fn);
     }
+
+    /**
+     * Destroy the loader, removes references.
+     */
+    destroy()
+    {
+        this.removeAllListeners();
+        this.reset();
+    }
 }
 
 // Copy EE3 prototype (mixin)
diff --git a/src/loaders/spritesheetParser.js b/src/loaders/spritesheetParser.js
index e57dfb2..eda9584 100644
--- a/src/loaders/spritesheetParser.js
+++ b/src/loaders/spritesheetParser.js
@@ -1,12 +1,11 @@
 import { Resource } from 'resource-loader';
-import path from 'path';
+import url from 'url';
 import { Spritesheet } from '../core';
 
 export default function ()
 {
     return function spritesheetParser(resource, next)
     {
-        let resourcePath;
         const imageResourceName = `${resource.name}_image`;
 
         // skip if no data, its not json, it isn't spritesheet data, or the image resource already exists
@@ -28,15 +27,7 @@
             parentResource: resource,
         };
 
-        // Prepend url path unless the resource image is a data url
-        if (resource.isDataUrl)
-        {
-            resourcePath = resource.data.meta.image;
-        }
-        else
-        {
-            resourcePath = `${path.dirname(resource.url.replace(this.baseUrl, ''))}/${resource.data.meta.image}`;
-        }
+        const resourcePath = getResourcePath(resource, this.baseUrl);
 
         // load the image for this sheet
         this.add(imageResourceName, resourcePath, loadOptions, function onImageLoad(res)
@@ -56,3 +47,14 @@
         });
     };
 }
+
+export function getResourcePath(resource, baseUrl)
+{
+    // Prepend url path unless the resource image is a data url
+    if (resource.isDataUrl)
+    {
+        return resource.data.meta.image;
+    }
+
+    return url.resolve(resource.url.replace(baseUrl, ''), resource.data.meta.image);
+}
diff --git a/src/mesh/canvas/CanvasMeshRenderer.js b/src/mesh/canvas/CanvasMeshRenderer.js
index 297205f..f7899e1 100644
--- a/src/mesh/canvas/CanvasMeshRenderer.js
+++ b/src/mesh/canvas/CanvasMeshRenderer.js
@@ -134,12 +134,33 @@
         const textureWidth = base.width;
         const textureHeight = base.height;
 
-        const u0 = uvs[index0] * base.width;
-        const u1 = uvs[index1] * base.width;
-        const u2 = uvs[index2] * base.width;
-        const v0 = uvs[index0 + 1] * base.height;
-        const v1 = uvs[index1 + 1] * base.height;
-        const v2 = uvs[index2 + 1] * base.height;
+        let u0;
+        let u1;
+        let u2;
+        let v0;
+        let v1;
+        let v2;
+
+        if (mesh.uploadUvTransform)
+        {
+            const ut = mesh._uvTransform.mapCoord;
+
+            u0 = ((uvs[index0] * ut.a) + (uvs[index0 + 1] * ut.c) + ut.tx) * base.width;
+            u1 = ((uvs[index1] * ut.a) + (uvs[index1 + 1] * ut.c) + ut.tx) * base.width;
+            u2 = ((uvs[index2] * ut.a) + (uvs[index2 + 1] * ut.c) + ut.tx) * base.width;
+            v0 = ((uvs[index0] * ut.b) + (uvs[index0 + 1] * ut.d) + ut.ty) * base.height;
+            v1 = ((uvs[index1] * ut.b) + (uvs[index1 + 1] * ut.d) + ut.ty) * base.height;
+            v2 = ((uvs[index2] * ut.b) + (uvs[index2 + 1] * ut.d) + ut.ty) * base.height;
+        }
+        else
+        {
+            u0 = uvs[index0] * base.width;
+            u1 = uvs[index1] * base.width;
+            u2 = uvs[index2] * base.width;
+            v0 = uvs[index0 + 1] * base.height;
+            v1 = uvs[index1 + 1] * base.height;
+            v2 = uvs[index2 + 1] * base.height;
+        }
 
         let x0 = vertices[index0];
         let x1 = vertices[index1];
diff --git a/src/mesh/webgl/MeshRenderer.js b/src/mesh/webgl/MeshRenderer.js
index 78d24c3..ab99fcd 100644
--- a/src/mesh/webgl/MeshRenderer.js
+++ b/src/mesh/webgl/MeshRenderer.js
@@ -2,6 +2,8 @@
 
 const byteSizeMap = { 5126: 4, 5123: 2, 5121: 1 };
 
+const matrixIdentity = core.Matrix.IDENTITY;
+
 /**
  * WebGL renderer plugin for tiling sprites
  *
@@ -64,6 +66,7 @@
         mesh.geometry.glVertexArrayObjects[this.CONTEXT_UID].draw(mesh.drawMode, mesh.size, mesh.start, mesh.geometry.instanceCount);
     }
 
+
     /**
      * draws mesh
      * @param {PIXI.mesh.RawMesh} mesh mesh instance
diff --git a/src/mesh/webgl/mesh.vert b/src/mesh/webgl/mesh.vert
index a337aef..acc096c 100644
--- a/src/mesh/webgl/mesh.vert
+++ b/src/mesh/webgl/mesh.vert
@@ -1,8 +1,9 @@
 attribute vec2 aVertexPosition;
 attribute vec2 aTextureCoord;
 
-uniform mat3 translationMatrix;
 uniform mat3 projectionMatrix;
+uniform mat3 translationMatrix;
+uniform mat3 uTransform;
 
 varying vec2 vTextureCoord;
 
@@ -10,5 +11,5 @@
 {
     gl_Position = vec4((projectionMatrix * translationMatrix * vec3(aVertexPosition, 1.0)).xy, 0.0, 1.0);
 
-    vTextureCoord = aTextureCoord;
+    vTextureCoord = (uTransform * vec3(aTextureCoord, 1.0)).xy;
 }
diff --git a/src/particles/ParticleContainer.js b/src/particles/ParticleContainer.js
index 67796cf..63f7791 100644
--- a/src/particles/ParticleContainer.js
+++ b/src/particles/ParticleContainer.js
@@ -313,10 +313,10 @@
                 frame.y * resolution,
                 frame.width * resolution,
                 frame.height * resolution,
-                positionX * resolution,
-                positionY * resolution,
-                finalWidth * resolution,
-                finalHeight * resolution
+                positionX * renderer.resolution,
+                positionY * renderer.resolution,
+                finalWidth * renderer.resolution,
+                finalHeight * renderer.resolution
             );
         }
     }
diff --git a/src/prepare/BasePrepare.js b/src/prepare/BasePrepare.js
index 09eb5e5..e45c4dc 100644
--- a/src/prepare/BasePrepare.js
+++ b/src/prepare/BasePrepare.js
@@ -18,6 +18,18 @@
  * basic queuing functionality and is extended by {@link PIXI.prepare.WebGLPrepare} and {@link PIXI.prepare.CanvasPrepare}
  * to provide preparation capabilities specific to their respective renderers.
  *
+ * @example
+ * // Create a sprite
+ * const sprite = new PIXI.Sprite.fromImage('something.png');
+ *
+ * // Load object into GPU
+ * app.renderer.plugins.prepare.upload(sprite, () => {
+ *
+ *     //Texture(s) has been uploaded to GPU
+ *     app.stage.addChild(sprite);
+ *
+ * })
+ *
  * @abstract
  * @class
  * @memberof PIXI.prepare
@@ -100,8 +112,16 @@
             this.prepareItems();
         };
 
-        this.register(findText, drawText);
-        this.register(findTextStyle, calculateTextStyle);
+        // hooks to find the correct texture
+        this.registerFindHook(findText);
+        this.registerFindHook(findTextStyle);
+        this.registerFindHook(findMultipleBaseTextures);
+        this.registerFindHook(findBaseTexture);
+        this.registerFindHook(findTexture);
+
+        // upload hooks
+        this.registerUploadHook(drawText);
+        this.registerUploadHook(calculateTextStyle);
     }
 
     /**
@@ -138,7 +158,7 @@
             if (!this.ticking)
             {
                 this.ticking = true;
-                SharedTicker.addOnce(this.tick, this);
+                SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
             }
         }
         else if (done)
@@ -172,13 +192,16 @@
             const item = this.queue[0];
             let uploaded = false;
 
-            for (let i = 0, len = this.uploadHooks.length; i < len; i++)
+            if (item && !item._destroyed)
             {
-                if (this.uploadHooks[i](this.uploadHookHelper, item))
+                for (let i = 0, len = this.uploadHooks.length; i < len; i++)
                 {
-                    this.queue.shift();
-                    uploaded = true;
-                    break;
+                    if (this.uploadHooks[i](this.uploadHookHelper, item))
+                    {
+                        this.queue.shift();
+                        uploaded = true;
+                        break;
+                    }
                 }
             }
 
@@ -205,26 +228,36 @@
         else
         {
             // if we are not finished, on the next rAF do this again
-            SharedTicker.addOnce(this.tick, this);
+            SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
         }
     }
 
     /**
-     * Adds hooks for finding and uploading items.
+     * Adds hooks for finding items.
      *
-     * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
-              function must return `true` if it was able to add item to the queue.
-     * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
-     *        function must return `true` if it was able to handle upload of item.
-     * @return {PIXI.CanvasPrepare} Instance of plugin for chaining.
+     * @param {Function} addHook - Function call that takes two parameters: `item:*, queue:Array`
+     *          function must return `true` if it was able to add item to the queue.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
      */
-    register(addHook, uploadHook)
+    registerFindHook(addHook)
     {
         if (addHook)
         {
             this.addHooks.push(addHook);
         }
 
+        return this;
+    }
+
+    /**
+     * Adds hooks for uploading items.
+     *
+     * @param {Function} uploadHook - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+     *          function must return `true` if it was able to handle upload of item.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+     */
+    registerUploadHook(uploadHook)
+    {
         if (uploadHook)
         {
             this.uploadHooks.push(uploadHook);
@@ -287,6 +320,88 @@
 }
 
 /**
+ * Built-in hook to find multiple textures from objects like AnimatedSprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findMultipleBaseTextures(item, queue)
+{
+    let result = false;
+
+    // Objects with mutliple textures
+    if (item && item._textures && item._textures.length)
+    {
+        for (let i = 0; i < item._textures.length; i++)
+        {
+            if (item._textures[i] instanceof core.Texture)
+            {
+                const baseTexture = item._textures[i].baseTexture;
+
+                if (queue.indexOf(baseTexture) === -1)
+                {
+                    queue.push(baseTexture);
+                    result = true;
+                }
+            }
+        }
+    }
+
+    return result;
+}
+
+/**
+ * Built-in hook to find BaseTextures from Sprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findBaseTexture(item, queue)
+{
+    // Objects with textures, like Sprites/Text
+    if (item instanceof core.BaseTexture)
+    {
+        if (queue.indexOf(item) === -1)
+        {
+            queue.push(item);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
+ * Built-in hook to find textures from objects.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findTexture(item, queue)
+{
+    if (item._texture && item._texture instanceof core.Texture)
+    {
+        const texture = item._texture.baseTexture;
+
+        if (queue.indexOf(texture) === -1)
+        {
+            queue.push(texture);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
  * Built-in hook to draw PIXI.Text to its texture.
  *
  * @private
diff --git a/src/prepare/canvas/CanvasPrepare.js b/src/prepare/canvas/CanvasPrepare.js
index 0224bb5..09c207a 100644
--- a/src/prepare/canvas/CanvasPrepare.js
+++ b/src/prepare/canvas/CanvasPrepare.js
@@ -43,7 +43,7 @@
         this.ctx = this.canvas.getContext('2d');
 
         // Add textures to upload
-        this.register(findBaseTextures, uploadBaseTextures);
+        this.registerUploadHook(uploadBaseTextures);
     }
 
     /**
@@ -89,39 +89,4 @@
     return false;
 }
 
-/**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item  -Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
 core.CanvasRenderer.registerPlugin('prepare', CanvasPrepare);
diff --git a/src/prepare/index.js b/src/prepare/index.js
index f559c45..e7491ec 100644
--- a/src/prepare/index.js
+++ b/src/prepare/index.js
@@ -1,4 +1,29 @@
 /**
+ * The prepare namespace provides renderer-specific plugins for pre-rendering DisplayObjects. These plugins are useful for
+ * asynchronously preparing assets, textures, graphics waiting to be displayed.
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ * document.body.appendChild(app.view);
+ *
+ * // Don't start rendering right away
+ * app.stop();
+ *
+ * // create a display object
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add to the stage
+ * app.stage.addChild(rect);
+ *
+ * // Don't start rendering until the graphic is uploaded to the GPU
+ * app.renderer.plugins.prepare.upload(app.stage, () => {
+ *     app.start();
+ * });
  * @namespace PIXI.prepare
  */
 export { default as webgl } from './webgl/WebGLPrepare';
diff --git a/src/prepare/webgl/WebGLPrepare.js b/src/prepare/webgl/WebGLPrepare.js
index eb7023f..9df3c3f 100644
--- a/src/prepare/webgl/WebGLPrepare.js
+++ b/src/prepare/webgl/WebGLPrepare.js
@@ -22,12 +22,11 @@
         this.uploadHookHelper = this.renderer;
 
         // Add textures and graphics to upload
-        this.register(findBaseTextures, uploadBaseTextures)
-            .register(findGraphics, uploadGraphics);
+        this.registerFindHook(findGraphics);
+        this.registerUploadHook(uploadBaseTextures);
+        this.registerUploadHook(uploadGraphics);
     }
-
 }
-
 /**
  * Built-in hook to upload PIXI.Texture objects to the GPU.
  *
@@ -80,41 +79,6 @@
 }
 
 /**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item - Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
-/**
  * Built-in hook to find graphics.
  *
  * @private
diff --git a/test/.eslintrc.json b/test/.eslintrc.json
index e03220d..ac12110 100644
--- a/test/.eslintrc.json
+++ b/test/.eslintrc.json
@@ -12,7 +12,8 @@
         "sinon": false,
         "expect": false,
         "assert": false,
-        "PIXI": false
+        "PIXI": false,
+        "PointerEvent": true
     },
     "rules": {
         "func-names": 0,
diff --git a/test/core/BaseTexture.js b/test/core/BaseTexture.js
index 8b93478..bb65068 100644
--- a/test/core/BaseTexture.js
+++ b/test/core/BaseTexture.js
@@ -14,4 +14,28 @@
             expect(baseTexture.imageType).to.be.equals('png');
         });
     });
+
+    it('should remove Canvas BaseTexture from cache on destroy', function ()
+    {
+        const canvas = document.createElement('canvas');
+        const texture = PIXI.BaseTexture.fromCanvas(canvas);
+        const _pixiId = canvas._pixiId;
+
+        expect(PIXI.utils.BaseTextureCache[_pixiId]).to.equal(texture);
+        texture.destroy();
+        expect(PIXI.utils.BaseTextureCache[_pixiId]).to.equal(undefined);
+    });
+
+    it('should remove Image BaseTexture from cache on destroy', function ()
+    {
+        const URL = 'foo.png';
+        const NAME = 'bar';
+        const image = new Image();
+
+        const texture = PIXI.Texture.fromLoader(image, URL, NAME);
+
+        expect(PIXI.utils.BaseTextureCache[NAME]).to.equal(texture.baseTexture);
+        texture.destroy(true);
+        expect(PIXI.utils.BaseTextureCache[NAME]).to.equal(undefined);
+    });
 });
diff --git a/test/core/Circle.js b/test/core/Circle.js
index 183f98f..f621992 100644
--- a/test/core/Circle.js
+++ b/test/core/Circle.js
@@ -53,6 +53,10 @@
         expect(circ1.contains(10, 16)).to.be.false;
         expect(circ1.contains(11, 15)).to.be.false;
         expect(circ1.contains(0, 0)).to.be.false;
+
+        const circ2 = new PIXI.Circle(10, 10, 0);
+
+        expect(circ2.contains(10, 10)).to.be.false;
     });
 
     it('should return framing rectangle', function ()
diff --git a/test/core/Container.js b/test/core/Container.js
index d11be33..cefde54 100644
--- a/test/core/Container.js
+++ b/test/core/Container.js
@@ -2,30 +2,36 @@
 
 function testAddChild(fn)
 {
-    fn(function (container, obj)
+    return function ()
     {
-        container.addChild(obj);
-    });
-    fn(function (container, obj)
-    {
-        container.addChildAt(obj);
-    });
+        fn(function (container, obj)
+        {
+            container.addChild(obj);
+        });
+        fn(function (container, obj)
+        {
+            container.addChildAt(obj);
+        });
+    };
 }
 
 function testRemoveChild(fn)
 {
-    fn(function (container, obj)
+    return function ()
     {
-        container.removeChild(obj);
-    });
-    fn(function (container, obj)
-    {
-        container.removeChildAt(container.children.indexOf(obj));
-    });
-    fn(function (container, obj)
-    {
-        container.removeChildren(container.children.indexOf(obj), container.children.indexOf(obj) + 1);
-    });
+        fn(function (container, obj)
+        {
+            container.removeChild(obj);
+        });
+        fn(function (container, obj)
+        {
+            container.removeChildAt(container.children.indexOf(obj));
+        });
+        fn(function (container, obj)
+        {
+            container.removeChildren(container.children.indexOf(obj), container.children.indexOf(obj) + 1);
+        });
+    };
 }
 
 describe('PIXI.Container', function ()
diff --git a/test/core/Ellipse.js b/test/core/Ellipse.js
index f2e8234..3f47442 100644
--- a/test/core/Ellipse.js
+++ b/test/core/Ellipse.js
@@ -56,6 +56,10 @@
         expect(ellipse1.contains(10, 16)).to.be.false;
         expect(ellipse1.contains(11, 15)).to.be.false;
         expect(ellipse1.contains(0, 0)).to.be.false;
+
+        const ellipse2 = new PIXI.Ellipse(10, 10, 0, 0);
+
+        expect(ellipse2.contains(10, 10)).to.be.false;
     });
 
     it('should return framing rectangle', function ()
diff --git a/test/core/Matrix.js b/test/core/Matrix.js
index 9d2694b..76bd57c 100644
--- a/test/core/Matrix.js
+++ b/test/core/Matrix.js
@@ -107,10 +107,60 @@
         expect(m1.ty).to.equal(m2.ty);
     });
 
+    it('should prepend matrix', function ()
+    {
+        const m1 = new PIXI.Matrix();
+        const m2 = new PIXI.Matrix();
+
+        m2.set(2, 3, 4, 5, 100, 200);
+        m1.prepend(m2);
+
+        expect(m1.a).to.equal(m2.a);
+        expect(m1.b).to.equal(m2.b);
+        expect(m1.c).to.equal(m2.c);
+        expect(m1.d).to.equal(m2.d);
+        expect(m1.tx).to.equal(m2.tx);
+        expect(m1.ty).to.equal(m2.ty);
+
+        const m3 = new PIXI.Matrix();
+        const m4 = new PIXI.Matrix();
+
+        m3.prepend(m4);
+
+        expect(m3.a).to.equal(m4.a);
+        expect(m3.b).to.equal(m4.b);
+        expect(m3.c).to.equal(m4.c);
+        expect(m3.d).to.equal(m4.d);
+        expect(m3.tx).to.equal(m4.tx);
+        expect(m3.ty).to.equal(m4.ty);
+    });
+
     it('should get IDENTITY and TEMP_MATRIX', function ()
     {
         expect(PIXI.Matrix.IDENTITY instanceof PIXI.Matrix).to.be.true;
         expect(PIXI.Matrix.TEMP_MATRIX instanceof PIXI.Matrix).to.be.true;
     });
-});
 
+    it('should reset matrix to default when identity() is called', function ()
+    {
+        const matrix = new PIXI.Matrix();
+
+        matrix.set(2, 3, 4, 5, 100, 200);
+
+        expect(matrix.a).to.equal(2);
+        expect(matrix.b).to.equal(3);
+        expect(matrix.c).to.equal(4);
+        expect(matrix.d).to.equal(5);
+        expect(matrix.tx).to.equal(100);
+        expect(matrix.ty).to.equal(200);
+
+        matrix.identity();
+
+        expect(matrix.a).to.equal(1);
+        expect(matrix.b).to.equal(0);
+        expect(matrix.c).to.equal(0);
+        expect(matrix.d).to.equal(1);
+        expect(matrix.tx).to.equal(0);
+        expect(matrix.ty).to.equal(0);
+    });
+});
diff --git a/test/core/Spritesheet.js b/test/core/Spritesheet.js
index 283adf5..7601a0c 100644
--- a/test/core/Spritesheet.js
+++ b/test/core/Spritesheet.js
@@ -18,6 +18,7 @@
                 expect(textures[id]).to.be.an.instanceof(PIXI.Texture);
                 expect(textures[id].width).to.equal(spritesheet.data.frames[id].frame.w / spritesheet.resolution);
                 expect(textures[id].height).to.equal(spritesheet.data.frames[id].frame.h / spritesheet.resolution);
+                expect(textures[id].textureCacheId).to.equal(id);
                 spritesheet.destroy(true);
                 expect(spritesheet.textures).to.be.null;
                 expect(spritesheet.baseTexture).to.be.null;
diff --git a/test/core/Texture.js b/test/core/Texture.js
index 8c4ef98..241ec3e 100644
--- a/test/core/Texture.js
+++ b/test/core/Texture.js
@@ -16,4 +16,20 @@
         expect(PIXI.utils.TextureCache[URL]).to.equal(texture);
         expect(PIXI.utils.BaseTextureCache[URL]).to.equal(texture.baseTexture);
     });
+
+    it('should remove Texture from cache on destroy', function ()
+    {
+        const NAME = 'foo';
+        const NAME2 = 'bar';
+        const texture = new PIXI.Texture(new PIXI.BaseTexture());
+
+        PIXI.Texture.addTextureToCache(texture, NAME);
+        PIXI.Texture.addTextureToCache(texture, NAME2);
+        expect(texture.textureCacheId).to.equal(NAME);
+        expect(PIXI.utils.TextureCache[NAME]).to.equal(texture);
+        expect(PIXI.utils.TextureCache[NAME2]).to.equal(texture);
+        texture.destroy();
+        expect(PIXI.utils.TextureCache[NAME]).to.equal(undefined);
+        expect(PIXI.utils.TextureCache[NAME2]).to.equal(undefined);
+    });
 });

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line
diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 02d53a3..449f8cc 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -30,7 +30,10 @@
         /**
          * When passed to an event handler, this will be the original DOM Event that was captured
          *
-         * @member {Event}
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+         * @member {MouseEvent|TouchEvent|PointerEvent}
          */
         this.originalEvent = null;
     }
diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 8baf13a..2d75c7c 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -13,6 +13,14 @@
 
 const MOUSE_POINTER_ID = 'MOUSE';
 
+// helpers for hitTest() - only used inside hitTest()
+const hitTestEvent = {
+    target: null,
+    data: {
+        global: null,
+    },
+};
+
 /**
  * The interaction manager deals with mouse, touch and pointer events. Any DisplayObject can be interactive
  * if its interactive parameter is set to true
@@ -245,67 +253,60 @@
         this.setTargetElement(this.renderer.view, this.renderer.resolution);
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed on the display
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display
          * object.
          *
-         * @event mousedown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * on the display object.
          *
-         * @event rightdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released over the display
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
          * object.
          *
-         * @event mouseup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is released
          * over the display object.
          *
-         * @event rightup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed and released on
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
          * the display object.
          *
-         * @event click
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * and released on the display object.
          *
-         * @event rightclick
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released outside the
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
          * display object that initially registered a
          * [mousedown]{@link PIXI.interaction.InteractionManager#event:mousedown}.
          *
-         * @event mouseupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
@@ -313,146 +314,362 @@
          * outside the display object that initially registered a
          * [rightdown]{@link PIXI.interaction.InteractionManager#event:rightdown}.
          *
-         * @event rightupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved while over the display object
          *
-         * @event mousemove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved onto the display object
          *
-         * @event mouseover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved off the display object
          *
-         * @event mouseout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed on the display object.
          *
-         * @event pointerdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released over the display object.
          *
-         * @event pointerup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a pointer event
          *
-         * @event pointercancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed and released on the display object.
          *
-         * @event pointertap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released outside the display object that initially
          * registered a [pointerdown]{@link PIXI.interaction.InteractionManager#event:pointerdown}.
          *
-         * @event pointerupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved while over the display object
          *
-         * @event pointermove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved onto the display object
          *
-         * @event pointerover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved off the display object
          *
-         * @event pointerout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed on the display object.
          *
-         * @event touchstart
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed from the display object.
          *
-         * @event touchend
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a touch
          *
-         * @event touchcancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed and removed from the display object.
          *
-         * @event tap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed outside of the display object that initially
          * registered a [touchstart]{@link PIXI.interaction.InteractionManager#event:touchstart}.
          *
-         * @event touchendoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is moved along the display object.
          *
-         * @event touchmove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display.
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * over the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
+         * the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * and released on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
+         * display object that initially registered a
+         * [mousedown]{@link PIXI.DisplayObject#event:mousedown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * outside the display object that initially registered a
+         * [rightdown]{@link PIXI.DisplayObject#event:rightdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a pointer event.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed and released on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released outside the display object that initially
+         * registered a [pointerdown]{@link PIXI.DisplayObject#event:pointerdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a touch.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed and removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed outside of the display object that initially
+         * registered a [touchstart]{@link PIXI.DisplayObject#event:touchstart}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is moved along the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+    }
+
+    /**
+     * Hit tests a point against the display tree, returning the first interactive object that is hit.
+     *
+     * @param {PIXI.Point} globalPoint - A point to hit test with, in global space.
+     * @param {PIXI.Container} [root] - The root display object to start from. If omitted, defaults
+     * to the last rendered root of the associated renderer.
+     * @return {PIXI.DisplayObject} The hit display object, if any.
+     */
+    hitTest(globalPoint, root)
+    {
+        // clear the target for our hit test
+        hitTestEvent.target = null;
+        // assign the global point
+        hitTestEvent.data.global = globalPoint;
+        // ensure safety of the root
+        if (!root)
+        {
+            root = this.renderer._lastObjectRendered;
+        }
+        // run the hit test
+        this.processInteractive(hitTestEvent, root, null, true);
+        // return our found object - it'll be null if we didn't hit anything
+
+        return hitTestEvent.target;
     }
 
     /**
@@ -487,7 +704,7 @@
             return;
         }
 
-        core.ticker.shared.add(this.update, this);
+        core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.INTERACTION);
 
         if (window.navigator.msPointerEnabled)
         {
@@ -804,8 +1021,6 @@
             }
         }
 
-        let keepHitTestingAfterChildren = hitTest;
-
         // ** FREE TIP **! If an object is not interactive or has no buttons in it
         // (such as a game scene!) set interactiveChildren to false for that displayObject.
         // This will allow pixi to completely ignore and bypass checking the displayObjects children.
@@ -818,7 +1033,9 @@
                 const child = children[i];
 
                 // time to get recursive.. if this function will return if something is hit..
-                if (this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent))
+                const childHit = this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent);
+
+                if (childHit)
                 {
                     // its a good idea to check if a child has lost its parent.
                     // this means it has been removed whilst looping so its best
@@ -827,8 +1044,6 @@
                         continue;
                     }
 
-                    hit = true;
-
                     // we no longer need to hit test any more objects in this container as we we
                     // now know the parent has been hit
                     interactiveParent = false;
@@ -838,36 +1053,41 @@
                     // This means we no longer need to hit test anything else. We still need to run
                     // through all objects, but we don't need to perform any hit tests.
 
-                    keepHitTestingAfterChildren = false;
-
-                    if (child.interactive)
+                    if (childHit)
                     {
-                        hitTest = false;
+                        if (interactionEvent.target)
+                        {
+                            hitTest = false;
+                        }
+                        hit = true;
                     }
-
-                    // we can break now as we have hit an object.
                 }
             }
         }
 
-        hitTest = keepHitTestingAfterChildren;
-
         // no point running this if the item is not interactive or does not have an interactive parent.
         if (interactive)
         {
             // if we are hit testing (as in we have no hit any objects yet)
             // We also don't need to worry about hit testing if once of the displayObjects children
-            // has already been hit!
-            if (hitTest && !hit)
+            // has already been hit - but only if it was interactive, otherwise we need to keep
+            // looking for an interactive child, just in case we hit one
+            if (hitTest && !interactionEvent.target)
             {
                 if (displayObject.hitArea)
                 {
                     displayObject.worldTransform.applyInverse(point, this._tempPoint);
-                    hit = displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y);
+                    if (displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y))
+                    {
+                        hit = true;
+                    }
                 }
                 else if (displayObject.containsPoint)
                 {
-                    hit = displayObject.containsPoint(point);
+                    if (displayObject.containsPoint(point))
+                    {
+                        hit = true;
+                    }
                 }
             }
 
@@ -878,7 +1098,10 @@
                     interactionEvent.target = displayObject;
                 }
 
-                func(interactionEvent, displayObject, hit);
+                if (func)
+                {
+                    func(interactionEvent, displayObject, !!hit);
+                }
             }
         }
 
@@ -914,7 +1137,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -998,7 +1221,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1098,7 +1321,7 @@
 
             const test = isRightButton ? flags.RIGHT_DOWN : flags.LEFT_DOWN;
 
-            const isDown = trackingData !== undefined && (trackingData.flags | test);
+            const isDown = trackingData !== undefined && (trackingData.flags & test);
 
             if (hit)
             {
@@ -1118,11 +1341,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }
@@ -1180,7 +1403,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1255,7 +1478,7 @@
             this.setCursorMode(null);
         }
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1268,6 +1491,12 @@
         {
             this.emit('mouseout', interactionEvent);
         }
+        else
+        {
+            // we can get touchleave events after touchend, so we want to make sure we don't
+            // introduce memory leaks
+            this.releaseInteractionDataForPointerId(interactionData.identifier);
+        }
     }
 
     /**
@@ -1344,7 +1573,7 @@
         // Only mouse and pointer can call onPointerOver, so events will always be length 1
         const event = events[0];
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1366,12 +1595,14 @@
      * Get InteractionData for a given pointerId. Store that data as well
      *
      * @private
-     * @param {number} pointerId - Identifier from a pointer event
+     * @param {PointerEvent} event - Normalized pointer event, output from normalizeToPointerData
      * @return {InteractionData} - Interaction data for the given pointer identifier
      */
-    getInteractionDataForPointerId(pointerId)
+    getInteractionDataForPointerId(event)
     {
-        if (pointerId === MOUSE_POINTER_ID)
+        const pointerId = event.pointerId;
+
+        if (pointerId === MOUSE_POINTER_ID || event.pointerType === 'mouse')
         {
             return this.mouse;
         }
diff --git a/src/interaction/InteractionTrackingData.js b/src/interaction/InteractionTrackingData.js
index 6a1f69e..8493b63 100644
--- a/src/interaction/InteractionTrackingData.js
+++ b/src/interaction/InteractionTrackingData.js
@@ -35,8 +35,10 @@
     }
 
     /**
+     * Unique pointer id of the event
+     *
      * @readonly
-     * @type {number} Unique pointer id of the event
+     * @member {number}
      */
     get pointerId()
     {
diff --git a/src/interaction/index.js b/src/interaction/index.js
index 56c5b09..72f7d71 100644
--- a/src/interaction/index.js
+++ b/src/interaction/index.js
@@ -1,4 +1,8 @@
 /**
+ * This namespace contains a renderer plugin for handling mouse, pointer, and touch events.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.interaction
  */
 export { default as InteractionData } from './InteractionData';
diff --git a/src/interaction/interactiveTarget.js b/src/interaction/interactiveTarget.js
index d252fba..cebac40 100644
--- a/src/interaction/interactiveTarget.js
+++ b/src/interaction/interactiveTarget.js
@@ -2,7 +2,7 @@
  * Default property values of interactive objects
  * Used by {@link PIXI.interaction.InteractionManager} to automatically give all DisplayObjects these properties
  *
- * @mixin
+ * @private
  * @name interactiveTarget
  * @memberof PIXI.interaction
  * @example
@@ -14,18 +14,28 @@
  *      );
  */
 export default {
+
     /**
-     * Determines if the displayObject be clicked/touched
+     * Enable interaction events for the DisplayObject. Touch, pointer and mouse
+     * events will not be emitted unless `interactive` is set to `true`.
      *
-     * @inner {boolean}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.on('tap', (event) => {
+     *    //handle event
+     * });
+     * @member {boolean}
+     * @memberof PIXI.DisplayObject#
      */
     interactive: false,
 
     /**
      * Determines if the children to the displayObject can be clicked/touched
-     * Setting this to false allows pixi to bypass a recursive hitTest function
+     * Setting this to false allows pixi to bypass a recursive `hitTest` function
      *
-     * @inner {boolean}
+     * @member {boolean}
+     * @memberof PIXI.Container#
      */
     interactiveChildren: true,
 
@@ -33,7 +43,12 @@
      * Interaction shape. Children will be hit first, then this shape will be checked.
      * Setting this will cause this shape to be checked in hit tests rather than the displayObject's bounds.
      *
-     * @inner {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.hitArea = new PIXI.Rectangle(0, 0, 100, 100);
+     * @member {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @memberof PIXI.DisplayObject#
      */
     hitArea: null,
 
@@ -41,8 +56,12 @@
      * If enabled, the mouse cursor use the pointer behavior when hovered over the displayObject if it is interactive
      * Setting this changes the 'cursor' property to `'pointer'`.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.buttonMode = true;
      * @member {boolean}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      */
     get buttonMode()
     {
@@ -64,9 +83,14 @@
      * This defines what cursor mode is used when the mouse cursor
      * is hovered over the displayObject.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.cursor = 'wait';
      * @see https://developer.mozilla.org/en/docs/Web/CSS/cursor
      *
-     * @inner {string}
+     * @member {string}
+     * @memberof PIXI.DisplayObject#
      */
     cursor: null,
 
@@ -74,7 +98,7 @@
      * Internal set of all active pointers, by identifier
      *
      * @member {Map<number, InteractionTrackingData>}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      * @private
      */
     get trackedPointers()
@@ -87,7 +111,8 @@
     /**
      * Map of all tracked pointers, by identifier. Use trackedPointers to access.
      *
-     * @private {Map<number, InteractionTrackingData>}
+     * @private
+     * @type {Map<number, InteractionTrackingData>}
      */
     _trackedPointers: undefined,
 };
diff --git a/src/loaders/index.js b/src/loaders/index.js
index 5189793..daa1fc4 100644
--- a/src/loaders/index.js
+++ b/src/loaders/index.js
@@ -1,9 +1,22 @@
+import Application from '../core/Application';
+import Loader from './loader';
+
 /**
+ * This namespace contains APIs which extends the {@link https://github.com/englercj/resource-loader resource-loader} module
+ * for loading assets, data, and other resources dynamically.
+ * @example
+ * const loader = new PIXI.loaders.Loader();
+ * loader.add('bunny', 'data/bunny.png')
+ *       .add('spaceship', 'assets/spritesheet.json');
+ * loader.load((loader, resources) => {
+ *    // resources.bunny
+ *    // resources.spaceship
+ * });
  * @namespace PIXI.loaders
  */
-export { default as Loader } from './loader';
+export { Loader };
 export { default as bitmapFontParser, parse as parseBitmapFontData } from './bitmapFontParser';
-export { default as spritesheetParser } from './spritesheetParser';
+export { default as spritesheetParser, getResourcePath } from './spritesheetParser';
 export { default as textureParser } from './textureParser';
 
 /**
@@ -13,3 +26,55 @@
  * @memberof PIXI.loaders
  */
 export { Resource } from 'resource-loader';
+
+/**
+ * A premade instance of the loader that can be used to load resources.
+ * @name shared
+ * @memberof PIXI.loaders
+ * @type {PIXI.loaders.Loader}
+ */
+const shared = new Loader();
+
+shared.destroy = () =>
+{
+    // protect destroying shared loader
+};
+
+export { shared };
+
+// Mixin the loader construction
+const AppPrototype = Application.prototype;
+
+AppPrototype._loader = null;
+
+/**
+ * Loader instance to help with asset loading.
+ * @name PIXI.Application#loader
+ * @type {PIXI.loaders.Loader}
+ */
+Object.defineProperty(AppPrototype, 'loader', {
+    get()
+    {
+        if (!this._loader)
+        {
+            const sharedLoader = this._options.sharedLoader;
+
+            this._loader = sharedLoader ? shared : new Loader();
+        }
+
+        return this._loader;
+    },
+});
+
+// Override the destroy function
+// making sure to destroy the current Loader
+AppPrototype._parentDestroy = AppPrototype.destroy;
+AppPrototype.destroy = function destroy()
+{
+    if (this._loader)
+    {
+        this._loader.destroy();
+        this._loader = null;
+    }
+    this._parentDestroy();
+};
diff --git a/src/loaders/loader.js b/src/loaders/loader.js
index 767a411..59b8000 100644
--- a/src/loaders/loader.js
+++ b/src/loaders/loader.js
@@ -90,6 +90,15 @@
     {
         Loader._pixiMiddleware.push(fn);
     }
+
+    /**
+     * Destroy the loader, removes references.
+     */
+    destroy()
+    {
+        this.removeAllListeners();
+        this.reset();
+    }
 }
 
 // Copy EE3 prototype (mixin)
diff --git a/src/loaders/spritesheetParser.js b/src/loaders/spritesheetParser.js
index e57dfb2..eda9584 100644
--- a/src/loaders/spritesheetParser.js
+++ b/src/loaders/spritesheetParser.js
@@ -1,12 +1,11 @@
 import { Resource } from 'resource-loader';
-import path from 'path';
+import url from 'url';
 import { Spritesheet } from '../core';
 
 export default function ()
 {
     return function spritesheetParser(resource, next)
     {
-        let resourcePath;
         const imageResourceName = `${resource.name}_image`;
 
         // skip if no data, its not json, it isn't spritesheet data, or the image resource already exists
@@ -28,15 +27,7 @@
             parentResource: resource,
         };
 
-        // Prepend url path unless the resource image is a data url
-        if (resource.isDataUrl)
-        {
-            resourcePath = resource.data.meta.image;
-        }
-        else
-        {
-            resourcePath = `${path.dirname(resource.url.replace(this.baseUrl, ''))}/${resource.data.meta.image}`;
-        }
+        const resourcePath = getResourcePath(resource, this.baseUrl);
 
         // load the image for this sheet
         this.add(imageResourceName, resourcePath, loadOptions, function onImageLoad(res)
@@ -56,3 +47,14 @@
         });
     };
 }
+
+export function getResourcePath(resource, baseUrl)
+{
+    // Prepend url path unless the resource image is a data url
+    if (resource.isDataUrl)
+    {
+        return resource.data.meta.image;
+    }
+
+    return url.resolve(resource.url.replace(baseUrl, ''), resource.data.meta.image);
+}
diff --git a/src/mesh/canvas/CanvasMeshRenderer.js b/src/mesh/canvas/CanvasMeshRenderer.js
index 297205f..f7899e1 100644
--- a/src/mesh/canvas/CanvasMeshRenderer.js
+++ b/src/mesh/canvas/CanvasMeshRenderer.js
@@ -134,12 +134,33 @@
         const textureWidth = base.width;
         const textureHeight = base.height;
 
-        const u0 = uvs[index0] * base.width;
-        const u1 = uvs[index1] * base.width;
-        const u2 = uvs[index2] * base.width;
-        const v0 = uvs[index0 + 1] * base.height;
-        const v1 = uvs[index1 + 1] * base.height;
-        const v2 = uvs[index2 + 1] * base.height;
+        let u0;
+        let u1;
+        let u2;
+        let v0;
+        let v1;
+        let v2;
+
+        if (mesh.uploadUvTransform)
+        {
+            const ut = mesh._uvTransform.mapCoord;
+
+            u0 = ((uvs[index0] * ut.a) + (uvs[index0 + 1] * ut.c) + ut.tx) * base.width;
+            u1 = ((uvs[index1] * ut.a) + (uvs[index1 + 1] * ut.c) + ut.tx) * base.width;
+            u2 = ((uvs[index2] * ut.a) + (uvs[index2 + 1] * ut.c) + ut.tx) * base.width;
+            v0 = ((uvs[index0] * ut.b) + (uvs[index0 + 1] * ut.d) + ut.ty) * base.height;
+            v1 = ((uvs[index1] * ut.b) + (uvs[index1 + 1] * ut.d) + ut.ty) * base.height;
+            v2 = ((uvs[index2] * ut.b) + (uvs[index2 + 1] * ut.d) + ut.ty) * base.height;
+        }
+        else
+        {
+            u0 = uvs[index0] * base.width;
+            u1 = uvs[index1] * base.width;
+            u2 = uvs[index2] * base.width;
+            v0 = uvs[index0 + 1] * base.height;
+            v1 = uvs[index1 + 1] * base.height;
+            v2 = uvs[index2 + 1] * base.height;
+        }
 
         let x0 = vertices[index0];
         let x1 = vertices[index1];
diff --git a/src/mesh/webgl/MeshRenderer.js b/src/mesh/webgl/MeshRenderer.js
index 78d24c3..ab99fcd 100644
--- a/src/mesh/webgl/MeshRenderer.js
+++ b/src/mesh/webgl/MeshRenderer.js
@@ -2,6 +2,8 @@
 
 const byteSizeMap = { 5126: 4, 5123: 2, 5121: 1 };
 
+const matrixIdentity = core.Matrix.IDENTITY;
+
 /**
  * WebGL renderer plugin for tiling sprites
  *
@@ -64,6 +66,7 @@
         mesh.geometry.glVertexArrayObjects[this.CONTEXT_UID].draw(mesh.drawMode, mesh.size, mesh.start, mesh.geometry.instanceCount);
     }
 
+
     /**
      * draws mesh
      * @param {PIXI.mesh.RawMesh} mesh mesh instance
diff --git a/src/mesh/webgl/mesh.vert b/src/mesh/webgl/mesh.vert
index a337aef..acc096c 100644
--- a/src/mesh/webgl/mesh.vert
+++ b/src/mesh/webgl/mesh.vert
@@ -1,8 +1,9 @@
 attribute vec2 aVertexPosition;
 attribute vec2 aTextureCoord;
 
-uniform mat3 translationMatrix;
 uniform mat3 projectionMatrix;
+uniform mat3 translationMatrix;
+uniform mat3 uTransform;
 
 varying vec2 vTextureCoord;
 
@@ -10,5 +11,5 @@
 {
     gl_Position = vec4((projectionMatrix * translationMatrix * vec3(aVertexPosition, 1.0)).xy, 0.0, 1.0);
 
-    vTextureCoord = aTextureCoord;
+    vTextureCoord = (uTransform * vec3(aTextureCoord, 1.0)).xy;
 }
diff --git a/src/particles/ParticleContainer.js b/src/particles/ParticleContainer.js
index 67796cf..63f7791 100644
--- a/src/particles/ParticleContainer.js
+++ b/src/particles/ParticleContainer.js
@@ -313,10 +313,10 @@
                 frame.y * resolution,
                 frame.width * resolution,
                 frame.height * resolution,
-                positionX * resolution,
-                positionY * resolution,
-                finalWidth * resolution,
-                finalHeight * resolution
+                positionX * renderer.resolution,
+                positionY * renderer.resolution,
+                finalWidth * renderer.resolution,
+                finalHeight * renderer.resolution
             );
         }
     }
diff --git a/src/prepare/BasePrepare.js b/src/prepare/BasePrepare.js
index 09eb5e5..e45c4dc 100644
--- a/src/prepare/BasePrepare.js
+++ b/src/prepare/BasePrepare.js
@@ -18,6 +18,18 @@
  * basic queuing functionality and is extended by {@link PIXI.prepare.WebGLPrepare} and {@link PIXI.prepare.CanvasPrepare}
  * to provide preparation capabilities specific to their respective renderers.
  *
+ * @example
+ * // Create a sprite
+ * const sprite = new PIXI.Sprite.fromImage('something.png');
+ *
+ * // Load object into GPU
+ * app.renderer.plugins.prepare.upload(sprite, () => {
+ *
+ *     //Texture(s) has been uploaded to GPU
+ *     app.stage.addChild(sprite);
+ *
+ * })
+ *
  * @abstract
  * @class
  * @memberof PIXI.prepare
@@ -100,8 +112,16 @@
             this.prepareItems();
         };
 
-        this.register(findText, drawText);
-        this.register(findTextStyle, calculateTextStyle);
+        // hooks to find the correct texture
+        this.registerFindHook(findText);
+        this.registerFindHook(findTextStyle);
+        this.registerFindHook(findMultipleBaseTextures);
+        this.registerFindHook(findBaseTexture);
+        this.registerFindHook(findTexture);
+
+        // upload hooks
+        this.registerUploadHook(drawText);
+        this.registerUploadHook(calculateTextStyle);
     }
 
     /**
@@ -138,7 +158,7 @@
             if (!this.ticking)
             {
                 this.ticking = true;
-                SharedTicker.addOnce(this.tick, this);
+                SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
             }
         }
         else if (done)
@@ -172,13 +192,16 @@
             const item = this.queue[0];
             let uploaded = false;
 
-            for (let i = 0, len = this.uploadHooks.length; i < len; i++)
+            if (item && !item._destroyed)
             {
-                if (this.uploadHooks[i](this.uploadHookHelper, item))
+                for (let i = 0, len = this.uploadHooks.length; i < len; i++)
                 {
-                    this.queue.shift();
-                    uploaded = true;
-                    break;
+                    if (this.uploadHooks[i](this.uploadHookHelper, item))
+                    {
+                        this.queue.shift();
+                        uploaded = true;
+                        break;
+                    }
                 }
             }
 
@@ -205,26 +228,36 @@
         else
         {
             // if we are not finished, on the next rAF do this again
-            SharedTicker.addOnce(this.tick, this);
+            SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
         }
     }
 
     /**
-     * Adds hooks for finding and uploading items.
+     * Adds hooks for finding items.
      *
-     * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
-              function must return `true` if it was able to add item to the queue.
-     * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
-     *        function must return `true` if it was able to handle upload of item.
-     * @return {PIXI.CanvasPrepare} Instance of plugin for chaining.
+     * @param {Function} addHook - Function call that takes two parameters: `item:*, queue:Array`
+     *          function must return `true` if it was able to add item to the queue.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
      */
-    register(addHook, uploadHook)
+    registerFindHook(addHook)
     {
         if (addHook)
         {
             this.addHooks.push(addHook);
         }
 
+        return this;
+    }
+
+    /**
+     * Adds hooks for uploading items.
+     *
+     * @param {Function} uploadHook - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+     *          function must return `true` if it was able to handle upload of item.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+     */
+    registerUploadHook(uploadHook)
+    {
         if (uploadHook)
         {
             this.uploadHooks.push(uploadHook);
@@ -287,6 +320,88 @@
 }
 
 /**
+ * Built-in hook to find multiple textures from objects like AnimatedSprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findMultipleBaseTextures(item, queue)
+{
+    let result = false;
+
+    // Objects with mutliple textures
+    if (item && item._textures && item._textures.length)
+    {
+        for (let i = 0; i < item._textures.length; i++)
+        {
+            if (item._textures[i] instanceof core.Texture)
+            {
+                const baseTexture = item._textures[i].baseTexture;
+
+                if (queue.indexOf(baseTexture) === -1)
+                {
+                    queue.push(baseTexture);
+                    result = true;
+                }
+            }
+        }
+    }
+
+    return result;
+}
+
+/**
+ * Built-in hook to find BaseTextures from Sprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findBaseTexture(item, queue)
+{
+    // Objects with textures, like Sprites/Text
+    if (item instanceof core.BaseTexture)
+    {
+        if (queue.indexOf(item) === -1)
+        {
+            queue.push(item);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
+ * Built-in hook to find textures from objects.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findTexture(item, queue)
+{
+    if (item._texture && item._texture instanceof core.Texture)
+    {
+        const texture = item._texture.baseTexture;
+
+        if (queue.indexOf(texture) === -1)
+        {
+            queue.push(texture);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
  * Built-in hook to draw PIXI.Text to its texture.
  *
  * @private
diff --git a/src/prepare/canvas/CanvasPrepare.js b/src/prepare/canvas/CanvasPrepare.js
index 0224bb5..09c207a 100644
--- a/src/prepare/canvas/CanvasPrepare.js
+++ b/src/prepare/canvas/CanvasPrepare.js
@@ -43,7 +43,7 @@
         this.ctx = this.canvas.getContext('2d');
 
         // Add textures to upload
-        this.register(findBaseTextures, uploadBaseTextures);
+        this.registerUploadHook(uploadBaseTextures);
     }
 
     /**
@@ -89,39 +89,4 @@
     return false;
 }
 
-/**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item  -Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
 core.CanvasRenderer.registerPlugin('prepare', CanvasPrepare);
diff --git a/src/prepare/index.js b/src/prepare/index.js
index f559c45..e7491ec 100644
--- a/src/prepare/index.js
+++ b/src/prepare/index.js
@@ -1,4 +1,29 @@
 /**
+ * The prepare namespace provides renderer-specific plugins for pre-rendering DisplayObjects. These plugins are useful for
+ * asynchronously preparing assets, textures, graphics waiting to be displayed.
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ * document.body.appendChild(app.view);
+ *
+ * // Don't start rendering right away
+ * app.stop();
+ *
+ * // create a display object
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add to the stage
+ * app.stage.addChild(rect);
+ *
+ * // Don't start rendering until the graphic is uploaded to the GPU
+ * app.renderer.plugins.prepare.upload(app.stage, () => {
+ *     app.start();
+ * });
  * @namespace PIXI.prepare
  */
 export { default as webgl } from './webgl/WebGLPrepare';
diff --git a/src/prepare/webgl/WebGLPrepare.js b/src/prepare/webgl/WebGLPrepare.js
index eb7023f..9df3c3f 100644
--- a/src/prepare/webgl/WebGLPrepare.js
+++ b/src/prepare/webgl/WebGLPrepare.js
@@ -22,12 +22,11 @@
         this.uploadHookHelper = this.renderer;
 
         // Add textures and graphics to upload
-        this.register(findBaseTextures, uploadBaseTextures)
-            .register(findGraphics, uploadGraphics);
+        this.registerFindHook(findGraphics);
+        this.registerUploadHook(uploadBaseTextures);
+        this.registerUploadHook(uploadGraphics);
     }
-
 }
-
 /**
  * Built-in hook to upload PIXI.Texture objects to the GPU.
  *
@@ -80,41 +79,6 @@
 }
 
 /**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item - Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
-/**
  * Built-in hook to find graphics.
  *
  * @private
diff --git a/test/.eslintrc.json b/test/.eslintrc.json
index e03220d..ac12110 100644
--- a/test/.eslintrc.json
+++ b/test/.eslintrc.json
@@ -12,7 +12,8 @@
         "sinon": false,
         "expect": false,
         "assert": false,
-        "PIXI": false
+        "PIXI": false,
+        "PointerEvent": true
     },
     "rules": {
         "func-names": 0,
diff --git a/test/core/BaseTexture.js b/test/core/BaseTexture.js
index 8b93478..bb65068 100644
--- a/test/core/BaseTexture.js
+++ b/test/core/BaseTexture.js
@@ -14,4 +14,28 @@
             expect(baseTexture.imageType).to.be.equals('png');
         });
     });
+
+    it('should remove Canvas BaseTexture from cache on destroy', function ()
+    {
+        const canvas = document.createElement('canvas');
+        const texture = PIXI.BaseTexture.fromCanvas(canvas);
+        const _pixiId = canvas._pixiId;
+
+        expect(PIXI.utils.BaseTextureCache[_pixiId]).to.equal(texture);
+        texture.destroy();
+        expect(PIXI.utils.BaseTextureCache[_pixiId]).to.equal(undefined);
+    });
+
+    it('should remove Image BaseTexture from cache on destroy', function ()
+    {
+        const URL = 'foo.png';
+        const NAME = 'bar';
+        const image = new Image();
+
+        const texture = PIXI.Texture.fromLoader(image, URL, NAME);
+
+        expect(PIXI.utils.BaseTextureCache[NAME]).to.equal(texture.baseTexture);
+        texture.destroy(true);
+        expect(PIXI.utils.BaseTextureCache[NAME]).to.equal(undefined);
+    });
 });
diff --git a/test/core/Circle.js b/test/core/Circle.js
index 183f98f..f621992 100644
--- a/test/core/Circle.js
+++ b/test/core/Circle.js
@@ -53,6 +53,10 @@
         expect(circ1.contains(10, 16)).to.be.false;
         expect(circ1.contains(11, 15)).to.be.false;
         expect(circ1.contains(0, 0)).to.be.false;
+
+        const circ2 = new PIXI.Circle(10, 10, 0);
+
+        expect(circ2.contains(10, 10)).to.be.false;
     });
 
     it('should return framing rectangle', function ()
diff --git a/test/core/Container.js b/test/core/Container.js
index d11be33..cefde54 100644
--- a/test/core/Container.js
+++ b/test/core/Container.js
@@ -2,30 +2,36 @@
 
 function testAddChild(fn)
 {
-    fn(function (container, obj)
+    return function ()
     {
-        container.addChild(obj);
-    });
-    fn(function (container, obj)
-    {
-        container.addChildAt(obj);
-    });
+        fn(function (container, obj)
+        {
+            container.addChild(obj);
+        });
+        fn(function (container, obj)
+        {
+            container.addChildAt(obj);
+        });
+    };
 }
 
 function testRemoveChild(fn)
 {
-    fn(function (container, obj)
+    return function ()
     {
-        container.removeChild(obj);
-    });
-    fn(function (container, obj)
-    {
-        container.removeChildAt(container.children.indexOf(obj));
-    });
-    fn(function (container, obj)
-    {
-        container.removeChildren(container.children.indexOf(obj), container.children.indexOf(obj) + 1);
-    });
+        fn(function (container, obj)
+        {
+            container.removeChild(obj);
+        });
+        fn(function (container, obj)
+        {
+            container.removeChildAt(container.children.indexOf(obj));
+        });
+        fn(function (container, obj)
+        {
+            container.removeChildren(container.children.indexOf(obj), container.children.indexOf(obj) + 1);
+        });
+    };
 }
 
 describe('PIXI.Container', function ()
diff --git a/test/core/Ellipse.js b/test/core/Ellipse.js
index f2e8234..3f47442 100644
--- a/test/core/Ellipse.js
+++ b/test/core/Ellipse.js
@@ -56,6 +56,10 @@
         expect(ellipse1.contains(10, 16)).to.be.false;
         expect(ellipse1.contains(11, 15)).to.be.false;
         expect(ellipse1.contains(0, 0)).to.be.false;
+
+        const ellipse2 = new PIXI.Ellipse(10, 10, 0, 0);
+
+        expect(ellipse2.contains(10, 10)).to.be.false;
     });
 
     it('should return framing rectangle', function ()
diff --git a/test/core/Matrix.js b/test/core/Matrix.js
index 9d2694b..76bd57c 100644
--- a/test/core/Matrix.js
+++ b/test/core/Matrix.js
@@ -107,10 +107,60 @@
         expect(m1.ty).to.equal(m2.ty);
     });
 
+    it('should prepend matrix', function ()
+    {
+        const m1 = new PIXI.Matrix();
+        const m2 = new PIXI.Matrix();
+
+        m2.set(2, 3, 4, 5, 100, 200);
+        m1.prepend(m2);
+
+        expect(m1.a).to.equal(m2.a);
+        expect(m1.b).to.equal(m2.b);
+        expect(m1.c).to.equal(m2.c);
+        expect(m1.d).to.equal(m2.d);
+        expect(m1.tx).to.equal(m2.tx);
+        expect(m1.ty).to.equal(m2.ty);
+
+        const m3 = new PIXI.Matrix();
+        const m4 = new PIXI.Matrix();
+
+        m3.prepend(m4);
+
+        expect(m3.a).to.equal(m4.a);
+        expect(m3.b).to.equal(m4.b);
+        expect(m3.c).to.equal(m4.c);
+        expect(m3.d).to.equal(m4.d);
+        expect(m3.tx).to.equal(m4.tx);
+        expect(m3.ty).to.equal(m4.ty);
+    });
+
     it('should get IDENTITY and TEMP_MATRIX', function ()
     {
         expect(PIXI.Matrix.IDENTITY instanceof PIXI.Matrix).to.be.true;
         expect(PIXI.Matrix.TEMP_MATRIX instanceof PIXI.Matrix).to.be.true;
     });
-});
 
+    it('should reset matrix to default when identity() is called', function ()
+    {
+        const matrix = new PIXI.Matrix();
+
+        matrix.set(2, 3, 4, 5, 100, 200);
+
+        expect(matrix.a).to.equal(2);
+        expect(matrix.b).to.equal(3);
+        expect(matrix.c).to.equal(4);
+        expect(matrix.d).to.equal(5);
+        expect(matrix.tx).to.equal(100);
+        expect(matrix.ty).to.equal(200);
+
+        matrix.identity();
+
+        expect(matrix.a).to.equal(1);
+        expect(matrix.b).to.equal(0);
+        expect(matrix.c).to.equal(0);
+        expect(matrix.d).to.equal(1);
+        expect(matrix.tx).to.equal(0);
+        expect(matrix.ty).to.equal(0);
+    });
+});
diff --git a/test/core/Spritesheet.js b/test/core/Spritesheet.js
index 283adf5..7601a0c 100644
--- a/test/core/Spritesheet.js
+++ b/test/core/Spritesheet.js
@@ -18,6 +18,7 @@
                 expect(textures[id]).to.be.an.instanceof(PIXI.Texture);
                 expect(textures[id].width).to.equal(spritesheet.data.frames[id].frame.w / spritesheet.resolution);
                 expect(textures[id].height).to.equal(spritesheet.data.frames[id].frame.h / spritesheet.resolution);
+                expect(textures[id].textureCacheId).to.equal(id);
                 spritesheet.destroy(true);
                 expect(spritesheet.textures).to.be.null;
                 expect(spritesheet.baseTexture).to.be.null;
diff --git a/test/core/Texture.js b/test/core/Texture.js
index 8c4ef98..241ec3e 100644
--- a/test/core/Texture.js
+++ b/test/core/Texture.js
@@ -16,4 +16,20 @@
         expect(PIXI.utils.TextureCache[URL]).to.equal(texture);
         expect(PIXI.utils.BaseTextureCache[URL]).to.equal(texture.baseTexture);
     });
+
+    it('should remove Texture from cache on destroy', function ()
+    {
+        const NAME = 'foo';
+        const NAME2 = 'bar';
+        const texture = new PIXI.Texture(new PIXI.BaseTexture());
+
+        PIXI.Texture.addTextureToCache(texture, NAME);
+        PIXI.Texture.addTextureToCache(texture, NAME2);
+        expect(texture.textureCacheId).to.equal(NAME);
+        expect(PIXI.utils.TextureCache[NAME]).to.equal(texture);
+        expect(PIXI.utils.TextureCache[NAME2]).to.equal(texture);
+        texture.destroy();
+        expect(PIXI.utils.TextureCache[NAME]).to.equal(undefined);
+        expect(PIXI.utils.TextureCache[NAME2]).to.equal(undefined);
+    });
 });
diff --git a/test/core/Ticker.js b/test/core/Ticker.js
new file mode 100644
index 0000000..188770f
--- /dev/null
+++ b/test/core/Ticker.js
@@ -0,0 +1,322 @@
+'use strict';
+
+const Ticker = PIXI.ticker.Ticker;
+const shared = PIXI.ticker.shared;
+
+describe('PIXI.ticker.Ticker', function ()
+{
+    before(function ()
+    {
+        this.length = (ticker) =>
+        {
+            ticker = ticker || shared;
+
+            if (!ticker._head || !ticker._head.next)
+            {
+                return 0;
+            }
+
+            let listener = ticker._head.next;
+            let i = 0;
+
+            while (listener)
+            {
+                listener = listener.next;
+                i++;
+            }
+
+            return i;
+        };
+    });
+
+    it('should be available', function ()
+    {
+        expect(Ticker).to.be.a.function;
+        expect(shared).to.be.an.instanceof(Ticker);
+    });
+
+    it('should create a new ticker and destroy it', function ()
+    {
+        const ticker = new Ticker();
+
+        ticker.start();
+
+        const listener = sinon.spy();
+
+        expect(this.length(ticker)).to.equal(0);
+
+        ticker.add(listener);
+
+        expect(this.length(ticker)).to.equal(1);
+
+        ticker.destroy();
+
+        expect(ticker._head).to.be.null;
+        expect(ticker.started).to.be.false;
+        expect(this.length(ticker)).to.equal(0);
+    });
+
+    it('should protect destroying shared ticker', function ()
+    {
+        shared.destroy();
+        expect(shared._head).to.not.be.null;
+        expect(shared.started).to.be.true;
+    });
+
+    it('should add and remove listener', function ()
+    {
+        const listener = sinon.spy();
+        const length = this.length();
+
+        shared.add(listener);
+
+        expect(this.length()).to.equal(length + 1);
+
+        shared.remove(listener);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should update a listener', function ()
+    {
+        const listener = sinon.spy();
+
+        shared.add(listener);
+        shared.update();
+
+        expect(listener.calledOnce).to.be.true;
+
+        shared.remove(listener);
+        shared.update();
+
+        expect(listener.calledOnce).to.be.true;
+    });
+
+    it('should update a listener twice and remove once', function ()
+    {
+        const listener = sinon.spy();
+        const length = this.length();
+
+        shared.add(listener).add(listener);
+        shared.update();
+
+        expect(listener.calledTwice).to.be.true;
+        expect(this.length()).to.equal(length + 2);
+
+        shared.remove(listener);
+        shared.update();
+
+        expect(listener.calledTwice).to.be.true;
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should respect priority order', function ()
+    {
+        const length = this.length();
+        const listener1 = sinon.spy();
+        const listener2 = sinon.spy();
+        const listener3 = sinon.spy();
+        const listener4 = sinon.spy();
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.LOW)
+            .add(listener4, null, PIXI.UPDATE_PRIORITY.INTERACTION)
+            .add(listener3, null, PIXI.UPDATE_PRIORITY.HIGH)
+            .add(listener2, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 4);
+
+        sinon.assert.callOrder(listener4, listener3, listener2, listener1);
+
+        shared.remove(listener1)
+            .remove(listener2)
+            .remove(listener3)
+            .remove(listener4);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should auto-remove once listeners', function ()
+    {
+        const length = this.length();
+        const listener = sinon.spy();
+
+        shared.addOnce(listener);
+
+        shared.update();
+
+        expect(listener.calledOnce).to.be.true;
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should call inserted item with a lower priority', function ()
+    {
+        const length = this.length();
+        const lowListener = sinon.spy();
+        const highListener = sinon.spy();
+        const mainListener = sinon.spy(() =>
+        {
+            shared.add(highListener, null, PIXI.UPDATE_PRIORITY.HIGH);
+            shared.add(lowListener, null, PIXI.UPDATE_PRIORITY.LOW);
+        });
+
+        shared.add(mainListener, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 3);
+
+        expect(mainListener.calledOnce).to.be.true;
+        expect(lowListener.calledOnce).to.be.true;
+        expect(highListener.calledOnce).to.be.false;
+
+        shared.remove(mainListener)
+            .remove(highListener)
+            .remove(lowListener);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should remove emit low-priority item during emit', function ()
+    {
+        const length = this.length();
+        const listener2 = sinon.spy();
+        const listener1 = sinon.spy(() =>
+        {
+            shared.add(listener2, null, PIXI.UPDATE_PRIORITY.LOW);
+        });
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 2);
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener1.calledOnce).to.be.true;
+
+        shared.remove(listener1)
+            .remove(listener2);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should remove itself on emit after adding new item', function ()
+    {
+        const length = this.length();
+        const listener2 = sinon.spy();
+        const listener1 = sinon.spy(() =>
+        {
+            shared.add(listener2, null, PIXI.UPDATE_PRIORITY.LOW);
+            shared.remove(listener1);
+
+            // listener is removed right away
+            expect(this.length()).to.equal(length + 1);
+        });
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 1);
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener1.calledOnce).to.be.true;
+
+        shared.remove(listener2);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should remove itself before, still calling new item', function ()
+    {
+        const length = this.length();
+        const listener2 = sinon.spy();
+        const listener1 = sinon.spy(() =>
+        {
+            shared.remove(listener1);
+            shared.add(listener2, null, PIXI.UPDATE_PRIORITY.LOW);
+
+            // listener is removed right away
+            expect(this.length()).to.equal(length + 1);
+        });
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 1);
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener1.calledOnce).to.be.true;
+
+        shared.remove(listener2);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should remove items before and after current priority', function ()
+    {
+        const length = this.length();
+        const listener2 = sinon.spy();
+        const listener3 = sinon.spy();
+        const listener4 = sinon.spy();
+
+        shared.add(listener2, null, PIXI.UPDATE_PRIORITY.HIGH);
+        shared.add(listener3, null, PIXI.UPDATE_PRIORITY.LOW);
+        shared.add(listener4, null, PIXI.UPDATE_PRIORITY.LOW);
+
+        const listener1 = sinon.spy(() =>
+        {
+            shared.remove(listener2)
+                .remove(listener3);
+
+            // listener is removed right away
+            expect(this.length()).to.equal(length + 2);
+        });
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 2);
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener3.calledOnce).to.be.false;
+        expect(listener4.calledOnce).to.be.true;
+        expect(listener1.calledOnce).to.be.true;
+
+        shared.update();
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener3.calledOnce).to.be.false;
+        expect(listener4.calledTwice).to.be.true;
+        expect(listener1.calledTwice).to.be.true;
+
+        shared.remove(listener1)
+            .remove(listener4);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should destroy on listener', function (done)
+    {
+        const ticker = new Ticker();
+        const listener2 = sinon.spy();
+        const listener = sinon.spy(() =>
+        {
+            ticker.destroy();
+            setTimeout(() =>
+            {
+                expect(listener2.called).to.be.false;
+                expect(listener.calledOnce).to.be.true;
+                done();
+            }, 0);
+        });
+
+        ticker.add(listener);
+        ticker.add(listener2, null, PIXI.UPDATE_PRIORITY.LOW);
+        ticker.start();
+    });
+});

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line
diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 02d53a3..449f8cc 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -30,7 +30,10 @@
         /**
          * When passed to an event handler, this will be the original DOM Event that was captured
          *
-         * @member {Event}
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+         * @member {MouseEvent|TouchEvent|PointerEvent}
          */
         this.originalEvent = null;
     }
diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 8baf13a..2d75c7c 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -13,6 +13,14 @@
 
 const MOUSE_POINTER_ID = 'MOUSE';
 
+// helpers for hitTest() - only used inside hitTest()
+const hitTestEvent = {
+    target: null,
+    data: {
+        global: null,
+    },
+};
+
 /**
  * The interaction manager deals with mouse, touch and pointer events. Any DisplayObject can be interactive
  * if its interactive parameter is set to true
@@ -245,67 +253,60 @@
         this.setTargetElement(this.renderer.view, this.renderer.resolution);
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed on the display
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display
          * object.
          *
-         * @event mousedown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * on the display object.
          *
-         * @event rightdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released over the display
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
          * object.
          *
-         * @event mouseup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is released
          * over the display object.
          *
-         * @event rightup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed and released on
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
          * the display object.
          *
-         * @event click
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * and released on the display object.
          *
-         * @event rightclick
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released outside the
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
          * display object that initially registered a
          * [mousedown]{@link PIXI.interaction.InteractionManager#event:mousedown}.
          *
-         * @event mouseupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
@@ -313,146 +314,362 @@
          * outside the display object that initially registered a
          * [rightdown]{@link PIXI.interaction.InteractionManager#event:rightdown}.
          *
-         * @event rightupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved while over the display object
          *
-         * @event mousemove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved onto the display object
          *
-         * @event mouseover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved off the display object
          *
-         * @event mouseout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed on the display object.
          *
-         * @event pointerdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released over the display object.
          *
-         * @event pointerup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a pointer event
          *
-         * @event pointercancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed and released on the display object.
          *
-         * @event pointertap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released outside the display object that initially
          * registered a [pointerdown]{@link PIXI.interaction.InteractionManager#event:pointerdown}.
          *
-         * @event pointerupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved while over the display object
          *
-         * @event pointermove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved onto the display object
          *
-         * @event pointerover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved off the display object
          *
-         * @event pointerout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed on the display object.
          *
-         * @event touchstart
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed from the display object.
          *
-         * @event touchend
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a touch
          *
-         * @event touchcancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed and removed from the display object.
          *
-         * @event tap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed outside of the display object that initially
          * registered a [touchstart]{@link PIXI.interaction.InteractionManager#event:touchstart}.
          *
-         * @event touchendoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is moved along the display object.
          *
-         * @event touchmove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display.
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * over the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
+         * the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * and released on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
+         * display object that initially registered a
+         * [mousedown]{@link PIXI.DisplayObject#event:mousedown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * outside the display object that initially registered a
+         * [rightdown]{@link PIXI.DisplayObject#event:rightdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a pointer event.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed and released on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released outside the display object that initially
+         * registered a [pointerdown]{@link PIXI.DisplayObject#event:pointerdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a touch.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed and removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed outside of the display object that initially
+         * registered a [touchstart]{@link PIXI.DisplayObject#event:touchstart}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is moved along the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+    }
+
+    /**
+     * Hit tests a point against the display tree, returning the first interactive object that is hit.
+     *
+     * @param {PIXI.Point} globalPoint - A point to hit test with, in global space.
+     * @param {PIXI.Container} [root] - The root display object to start from. If omitted, defaults
+     * to the last rendered root of the associated renderer.
+     * @return {PIXI.DisplayObject} The hit display object, if any.
+     */
+    hitTest(globalPoint, root)
+    {
+        // clear the target for our hit test
+        hitTestEvent.target = null;
+        // assign the global point
+        hitTestEvent.data.global = globalPoint;
+        // ensure safety of the root
+        if (!root)
+        {
+            root = this.renderer._lastObjectRendered;
+        }
+        // run the hit test
+        this.processInteractive(hitTestEvent, root, null, true);
+        // return our found object - it'll be null if we didn't hit anything
+
+        return hitTestEvent.target;
     }
 
     /**
@@ -487,7 +704,7 @@
             return;
         }
 
-        core.ticker.shared.add(this.update, this);
+        core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.INTERACTION);
 
         if (window.navigator.msPointerEnabled)
         {
@@ -804,8 +1021,6 @@
             }
         }
 
-        let keepHitTestingAfterChildren = hitTest;
-
         // ** FREE TIP **! If an object is not interactive or has no buttons in it
         // (such as a game scene!) set interactiveChildren to false for that displayObject.
         // This will allow pixi to completely ignore and bypass checking the displayObjects children.
@@ -818,7 +1033,9 @@
                 const child = children[i];
 
                 // time to get recursive.. if this function will return if something is hit..
-                if (this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent))
+                const childHit = this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent);
+
+                if (childHit)
                 {
                     // its a good idea to check if a child has lost its parent.
                     // this means it has been removed whilst looping so its best
@@ -827,8 +1044,6 @@
                         continue;
                     }
 
-                    hit = true;
-
                     // we no longer need to hit test any more objects in this container as we we
                     // now know the parent has been hit
                     interactiveParent = false;
@@ -838,36 +1053,41 @@
                     // This means we no longer need to hit test anything else. We still need to run
                     // through all objects, but we don't need to perform any hit tests.
 
-                    keepHitTestingAfterChildren = false;
-
-                    if (child.interactive)
+                    if (childHit)
                     {
-                        hitTest = false;
+                        if (interactionEvent.target)
+                        {
+                            hitTest = false;
+                        }
+                        hit = true;
                     }
-
-                    // we can break now as we have hit an object.
                 }
             }
         }
 
-        hitTest = keepHitTestingAfterChildren;
-
         // no point running this if the item is not interactive or does not have an interactive parent.
         if (interactive)
         {
             // if we are hit testing (as in we have no hit any objects yet)
             // We also don't need to worry about hit testing if once of the displayObjects children
-            // has already been hit!
-            if (hitTest && !hit)
+            // has already been hit - but only if it was interactive, otherwise we need to keep
+            // looking for an interactive child, just in case we hit one
+            if (hitTest && !interactionEvent.target)
             {
                 if (displayObject.hitArea)
                 {
                     displayObject.worldTransform.applyInverse(point, this._tempPoint);
-                    hit = displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y);
+                    if (displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y))
+                    {
+                        hit = true;
+                    }
                 }
                 else if (displayObject.containsPoint)
                 {
-                    hit = displayObject.containsPoint(point);
+                    if (displayObject.containsPoint(point))
+                    {
+                        hit = true;
+                    }
                 }
             }
 
@@ -878,7 +1098,10 @@
                     interactionEvent.target = displayObject;
                 }
 
-                func(interactionEvent, displayObject, hit);
+                if (func)
+                {
+                    func(interactionEvent, displayObject, !!hit);
+                }
             }
         }
 
@@ -914,7 +1137,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -998,7 +1221,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1098,7 +1321,7 @@
 
             const test = isRightButton ? flags.RIGHT_DOWN : flags.LEFT_DOWN;
 
-            const isDown = trackingData !== undefined && (trackingData.flags | test);
+            const isDown = trackingData !== undefined && (trackingData.flags & test);
 
             if (hit)
             {
@@ -1118,11 +1341,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }
@@ -1180,7 +1403,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1255,7 +1478,7 @@
             this.setCursorMode(null);
         }
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1268,6 +1491,12 @@
         {
             this.emit('mouseout', interactionEvent);
         }
+        else
+        {
+            // we can get touchleave events after touchend, so we want to make sure we don't
+            // introduce memory leaks
+            this.releaseInteractionDataForPointerId(interactionData.identifier);
+        }
     }
 
     /**
@@ -1344,7 +1573,7 @@
         // Only mouse and pointer can call onPointerOver, so events will always be length 1
         const event = events[0];
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1366,12 +1595,14 @@
      * Get InteractionData for a given pointerId. Store that data as well
      *
      * @private
-     * @param {number} pointerId - Identifier from a pointer event
+     * @param {PointerEvent} event - Normalized pointer event, output from normalizeToPointerData
      * @return {InteractionData} - Interaction data for the given pointer identifier
      */
-    getInteractionDataForPointerId(pointerId)
+    getInteractionDataForPointerId(event)
     {
-        if (pointerId === MOUSE_POINTER_ID)
+        const pointerId = event.pointerId;
+
+        if (pointerId === MOUSE_POINTER_ID || event.pointerType === 'mouse')
         {
             return this.mouse;
         }
diff --git a/src/interaction/InteractionTrackingData.js b/src/interaction/InteractionTrackingData.js
index 6a1f69e..8493b63 100644
--- a/src/interaction/InteractionTrackingData.js
+++ b/src/interaction/InteractionTrackingData.js
@@ -35,8 +35,10 @@
     }
 
     /**
+     * Unique pointer id of the event
+     *
      * @readonly
-     * @type {number} Unique pointer id of the event
+     * @member {number}
      */
     get pointerId()
     {
diff --git a/src/interaction/index.js b/src/interaction/index.js
index 56c5b09..72f7d71 100644
--- a/src/interaction/index.js
+++ b/src/interaction/index.js
@@ -1,4 +1,8 @@
 /**
+ * This namespace contains a renderer plugin for handling mouse, pointer, and touch events.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.interaction
  */
 export { default as InteractionData } from './InteractionData';
diff --git a/src/interaction/interactiveTarget.js b/src/interaction/interactiveTarget.js
index d252fba..cebac40 100644
--- a/src/interaction/interactiveTarget.js
+++ b/src/interaction/interactiveTarget.js
@@ -2,7 +2,7 @@
  * Default property values of interactive objects
  * Used by {@link PIXI.interaction.InteractionManager} to automatically give all DisplayObjects these properties
  *
- * @mixin
+ * @private
  * @name interactiveTarget
  * @memberof PIXI.interaction
  * @example
@@ -14,18 +14,28 @@
  *      );
  */
 export default {
+
     /**
-     * Determines if the displayObject be clicked/touched
+     * Enable interaction events for the DisplayObject. Touch, pointer and mouse
+     * events will not be emitted unless `interactive` is set to `true`.
      *
-     * @inner {boolean}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.on('tap', (event) => {
+     *    //handle event
+     * });
+     * @member {boolean}
+     * @memberof PIXI.DisplayObject#
      */
     interactive: false,
 
     /**
      * Determines if the children to the displayObject can be clicked/touched
-     * Setting this to false allows pixi to bypass a recursive hitTest function
+     * Setting this to false allows pixi to bypass a recursive `hitTest` function
      *
-     * @inner {boolean}
+     * @member {boolean}
+     * @memberof PIXI.Container#
      */
     interactiveChildren: true,
 
@@ -33,7 +43,12 @@
      * Interaction shape. Children will be hit first, then this shape will be checked.
      * Setting this will cause this shape to be checked in hit tests rather than the displayObject's bounds.
      *
-     * @inner {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.hitArea = new PIXI.Rectangle(0, 0, 100, 100);
+     * @member {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @memberof PIXI.DisplayObject#
      */
     hitArea: null,
 
@@ -41,8 +56,12 @@
      * If enabled, the mouse cursor use the pointer behavior when hovered over the displayObject if it is interactive
      * Setting this changes the 'cursor' property to `'pointer'`.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.buttonMode = true;
      * @member {boolean}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      */
     get buttonMode()
     {
@@ -64,9 +83,14 @@
      * This defines what cursor mode is used when the mouse cursor
      * is hovered over the displayObject.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.cursor = 'wait';
      * @see https://developer.mozilla.org/en/docs/Web/CSS/cursor
      *
-     * @inner {string}
+     * @member {string}
+     * @memberof PIXI.DisplayObject#
      */
     cursor: null,
 
@@ -74,7 +98,7 @@
      * Internal set of all active pointers, by identifier
      *
      * @member {Map<number, InteractionTrackingData>}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      * @private
      */
     get trackedPointers()
@@ -87,7 +111,8 @@
     /**
      * Map of all tracked pointers, by identifier. Use trackedPointers to access.
      *
-     * @private {Map<number, InteractionTrackingData>}
+     * @private
+     * @type {Map<number, InteractionTrackingData>}
      */
     _trackedPointers: undefined,
 };
diff --git a/src/loaders/index.js b/src/loaders/index.js
index 5189793..daa1fc4 100644
--- a/src/loaders/index.js
+++ b/src/loaders/index.js
@@ -1,9 +1,22 @@
+import Application from '../core/Application';
+import Loader from './loader';
+
 /**
+ * This namespace contains APIs which extends the {@link https://github.com/englercj/resource-loader resource-loader} module
+ * for loading assets, data, and other resources dynamically.
+ * @example
+ * const loader = new PIXI.loaders.Loader();
+ * loader.add('bunny', 'data/bunny.png')
+ *       .add('spaceship', 'assets/spritesheet.json');
+ * loader.load((loader, resources) => {
+ *    // resources.bunny
+ *    // resources.spaceship
+ * });
  * @namespace PIXI.loaders
  */
-export { default as Loader } from './loader';
+export { Loader };
 export { default as bitmapFontParser, parse as parseBitmapFontData } from './bitmapFontParser';
-export { default as spritesheetParser } from './spritesheetParser';
+export { default as spritesheetParser, getResourcePath } from './spritesheetParser';
 export { default as textureParser } from './textureParser';
 
 /**
@@ -13,3 +26,55 @@
  * @memberof PIXI.loaders
  */
 export { Resource } from 'resource-loader';
+
+/**
+ * A premade instance of the loader that can be used to load resources.
+ * @name shared
+ * @memberof PIXI.loaders
+ * @type {PIXI.loaders.Loader}
+ */
+const shared = new Loader();
+
+shared.destroy = () =>
+{
+    // protect destroying shared loader
+};
+
+export { shared };
+
+// Mixin the loader construction
+const AppPrototype = Application.prototype;
+
+AppPrototype._loader = null;
+
+/**
+ * Loader instance to help with asset loading.
+ * @name PIXI.Application#loader
+ * @type {PIXI.loaders.Loader}
+ */
+Object.defineProperty(AppPrototype, 'loader', {
+    get()
+    {
+        if (!this._loader)
+        {
+            const sharedLoader = this._options.sharedLoader;
+
+            this._loader = sharedLoader ? shared : new Loader();
+        }
+
+        return this._loader;
+    },
+});
+
+// Override the destroy function
+// making sure to destroy the current Loader
+AppPrototype._parentDestroy = AppPrototype.destroy;
+AppPrototype.destroy = function destroy()
+{
+    if (this._loader)
+    {
+        this._loader.destroy();
+        this._loader = null;
+    }
+    this._parentDestroy();
+};
diff --git a/src/loaders/loader.js b/src/loaders/loader.js
index 767a411..59b8000 100644
--- a/src/loaders/loader.js
+++ b/src/loaders/loader.js
@@ -90,6 +90,15 @@
     {
         Loader._pixiMiddleware.push(fn);
     }
+
+    /**
+     * Destroy the loader, removes references.
+     */
+    destroy()
+    {
+        this.removeAllListeners();
+        this.reset();
+    }
 }
 
 // Copy EE3 prototype (mixin)
diff --git a/src/loaders/spritesheetParser.js b/src/loaders/spritesheetParser.js
index e57dfb2..eda9584 100644
--- a/src/loaders/spritesheetParser.js
+++ b/src/loaders/spritesheetParser.js
@@ -1,12 +1,11 @@
 import { Resource } from 'resource-loader';
-import path from 'path';
+import url from 'url';
 import { Spritesheet } from '../core';
 
 export default function ()
 {
     return function spritesheetParser(resource, next)
     {
-        let resourcePath;
         const imageResourceName = `${resource.name}_image`;
 
         // skip if no data, its not json, it isn't spritesheet data, or the image resource already exists
@@ -28,15 +27,7 @@
             parentResource: resource,
         };
 
-        // Prepend url path unless the resource image is a data url
-        if (resource.isDataUrl)
-        {
-            resourcePath = resource.data.meta.image;
-        }
-        else
-        {
-            resourcePath = `${path.dirname(resource.url.replace(this.baseUrl, ''))}/${resource.data.meta.image}`;
-        }
+        const resourcePath = getResourcePath(resource, this.baseUrl);
 
         // load the image for this sheet
         this.add(imageResourceName, resourcePath, loadOptions, function onImageLoad(res)
@@ -56,3 +47,14 @@
         });
     };
 }
+
+export function getResourcePath(resource, baseUrl)
+{
+    // Prepend url path unless the resource image is a data url
+    if (resource.isDataUrl)
+    {
+        return resource.data.meta.image;
+    }
+
+    return url.resolve(resource.url.replace(baseUrl, ''), resource.data.meta.image);
+}
diff --git a/src/mesh/canvas/CanvasMeshRenderer.js b/src/mesh/canvas/CanvasMeshRenderer.js
index 297205f..f7899e1 100644
--- a/src/mesh/canvas/CanvasMeshRenderer.js
+++ b/src/mesh/canvas/CanvasMeshRenderer.js
@@ -134,12 +134,33 @@
         const textureWidth = base.width;
         const textureHeight = base.height;
 
-        const u0 = uvs[index0] * base.width;
-        const u1 = uvs[index1] * base.width;
-        const u2 = uvs[index2] * base.width;
-        const v0 = uvs[index0 + 1] * base.height;
-        const v1 = uvs[index1 + 1] * base.height;
-        const v2 = uvs[index2 + 1] * base.height;
+        let u0;
+        let u1;
+        let u2;
+        let v0;
+        let v1;
+        let v2;
+
+        if (mesh.uploadUvTransform)
+        {
+            const ut = mesh._uvTransform.mapCoord;
+
+            u0 = ((uvs[index0] * ut.a) + (uvs[index0 + 1] * ut.c) + ut.tx) * base.width;
+            u1 = ((uvs[index1] * ut.a) + (uvs[index1 + 1] * ut.c) + ut.tx) * base.width;
+            u2 = ((uvs[index2] * ut.a) + (uvs[index2 + 1] * ut.c) + ut.tx) * base.width;
+            v0 = ((uvs[index0] * ut.b) + (uvs[index0 + 1] * ut.d) + ut.ty) * base.height;
+            v1 = ((uvs[index1] * ut.b) + (uvs[index1 + 1] * ut.d) + ut.ty) * base.height;
+            v2 = ((uvs[index2] * ut.b) + (uvs[index2 + 1] * ut.d) + ut.ty) * base.height;
+        }
+        else
+        {
+            u0 = uvs[index0] * base.width;
+            u1 = uvs[index1] * base.width;
+            u2 = uvs[index2] * base.width;
+            v0 = uvs[index0 + 1] * base.height;
+            v1 = uvs[index1 + 1] * base.height;
+            v2 = uvs[index2 + 1] * base.height;
+        }
 
         let x0 = vertices[index0];
         let x1 = vertices[index1];
diff --git a/src/mesh/webgl/MeshRenderer.js b/src/mesh/webgl/MeshRenderer.js
index 78d24c3..ab99fcd 100644
--- a/src/mesh/webgl/MeshRenderer.js
+++ b/src/mesh/webgl/MeshRenderer.js
@@ -2,6 +2,8 @@
 
 const byteSizeMap = { 5126: 4, 5123: 2, 5121: 1 };
 
+const matrixIdentity = core.Matrix.IDENTITY;
+
 /**
  * WebGL renderer plugin for tiling sprites
  *
@@ -64,6 +66,7 @@
         mesh.geometry.glVertexArrayObjects[this.CONTEXT_UID].draw(mesh.drawMode, mesh.size, mesh.start, mesh.geometry.instanceCount);
     }
 
+
     /**
      * draws mesh
      * @param {PIXI.mesh.RawMesh} mesh mesh instance
diff --git a/src/mesh/webgl/mesh.vert b/src/mesh/webgl/mesh.vert
index a337aef..acc096c 100644
--- a/src/mesh/webgl/mesh.vert
+++ b/src/mesh/webgl/mesh.vert
@@ -1,8 +1,9 @@
 attribute vec2 aVertexPosition;
 attribute vec2 aTextureCoord;
 
-uniform mat3 translationMatrix;
 uniform mat3 projectionMatrix;
+uniform mat3 translationMatrix;
+uniform mat3 uTransform;
 
 varying vec2 vTextureCoord;
 
@@ -10,5 +11,5 @@
 {
     gl_Position = vec4((projectionMatrix * translationMatrix * vec3(aVertexPosition, 1.0)).xy, 0.0, 1.0);
 
-    vTextureCoord = aTextureCoord;
+    vTextureCoord = (uTransform * vec3(aTextureCoord, 1.0)).xy;
 }
diff --git a/src/particles/ParticleContainer.js b/src/particles/ParticleContainer.js
index 67796cf..63f7791 100644
--- a/src/particles/ParticleContainer.js
+++ b/src/particles/ParticleContainer.js
@@ -313,10 +313,10 @@
                 frame.y * resolution,
                 frame.width * resolution,
                 frame.height * resolution,
-                positionX * resolution,
-                positionY * resolution,
-                finalWidth * resolution,
-                finalHeight * resolution
+                positionX * renderer.resolution,
+                positionY * renderer.resolution,
+                finalWidth * renderer.resolution,
+                finalHeight * renderer.resolution
             );
         }
     }
diff --git a/src/prepare/BasePrepare.js b/src/prepare/BasePrepare.js
index 09eb5e5..e45c4dc 100644
--- a/src/prepare/BasePrepare.js
+++ b/src/prepare/BasePrepare.js
@@ -18,6 +18,18 @@
  * basic queuing functionality and is extended by {@link PIXI.prepare.WebGLPrepare} and {@link PIXI.prepare.CanvasPrepare}
  * to provide preparation capabilities specific to their respective renderers.
  *
+ * @example
+ * // Create a sprite
+ * const sprite = new PIXI.Sprite.fromImage('something.png');
+ *
+ * // Load object into GPU
+ * app.renderer.plugins.prepare.upload(sprite, () => {
+ *
+ *     //Texture(s) has been uploaded to GPU
+ *     app.stage.addChild(sprite);
+ *
+ * })
+ *
  * @abstract
  * @class
  * @memberof PIXI.prepare
@@ -100,8 +112,16 @@
             this.prepareItems();
         };
 
-        this.register(findText, drawText);
-        this.register(findTextStyle, calculateTextStyle);
+        // hooks to find the correct texture
+        this.registerFindHook(findText);
+        this.registerFindHook(findTextStyle);
+        this.registerFindHook(findMultipleBaseTextures);
+        this.registerFindHook(findBaseTexture);
+        this.registerFindHook(findTexture);
+
+        // upload hooks
+        this.registerUploadHook(drawText);
+        this.registerUploadHook(calculateTextStyle);
     }
 
     /**
@@ -138,7 +158,7 @@
             if (!this.ticking)
             {
                 this.ticking = true;
-                SharedTicker.addOnce(this.tick, this);
+                SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
             }
         }
         else if (done)
@@ -172,13 +192,16 @@
             const item = this.queue[0];
             let uploaded = false;
 
-            for (let i = 0, len = this.uploadHooks.length; i < len; i++)
+            if (item && !item._destroyed)
             {
-                if (this.uploadHooks[i](this.uploadHookHelper, item))
+                for (let i = 0, len = this.uploadHooks.length; i < len; i++)
                 {
-                    this.queue.shift();
-                    uploaded = true;
-                    break;
+                    if (this.uploadHooks[i](this.uploadHookHelper, item))
+                    {
+                        this.queue.shift();
+                        uploaded = true;
+                        break;
+                    }
                 }
             }
 
@@ -205,26 +228,36 @@
         else
         {
             // if we are not finished, on the next rAF do this again
-            SharedTicker.addOnce(this.tick, this);
+            SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
         }
     }
 
     /**
-     * Adds hooks for finding and uploading items.
+     * Adds hooks for finding items.
      *
-     * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
-              function must return `true` if it was able to add item to the queue.
-     * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
-     *        function must return `true` if it was able to handle upload of item.
-     * @return {PIXI.CanvasPrepare} Instance of plugin for chaining.
+     * @param {Function} addHook - Function call that takes two parameters: `item:*, queue:Array`
+     *          function must return `true` if it was able to add item to the queue.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
      */
-    register(addHook, uploadHook)
+    registerFindHook(addHook)
     {
         if (addHook)
         {
             this.addHooks.push(addHook);
         }
 
+        return this;
+    }
+
+    /**
+     * Adds hooks for uploading items.
+     *
+     * @param {Function} uploadHook - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+     *          function must return `true` if it was able to handle upload of item.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+     */
+    registerUploadHook(uploadHook)
+    {
         if (uploadHook)
         {
             this.uploadHooks.push(uploadHook);
@@ -287,6 +320,88 @@
 }
 
 /**
+ * Built-in hook to find multiple textures from objects like AnimatedSprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findMultipleBaseTextures(item, queue)
+{
+    let result = false;
+
+    // Objects with mutliple textures
+    if (item && item._textures && item._textures.length)
+    {
+        for (let i = 0; i < item._textures.length; i++)
+        {
+            if (item._textures[i] instanceof core.Texture)
+            {
+                const baseTexture = item._textures[i].baseTexture;
+
+                if (queue.indexOf(baseTexture) === -1)
+                {
+                    queue.push(baseTexture);
+                    result = true;
+                }
+            }
+        }
+    }
+
+    return result;
+}
+
+/**
+ * Built-in hook to find BaseTextures from Sprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findBaseTexture(item, queue)
+{
+    // Objects with textures, like Sprites/Text
+    if (item instanceof core.BaseTexture)
+    {
+        if (queue.indexOf(item) === -1)
+        {
+            queue.push(item);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
+ * Built-in hook to find textures from objects.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findTexture(item, queue)
+{
+    if (item._texture && item._texture instanceof core.Texture)
+    {
+        const texture = item._texture.baseTexture;
+
+        if (queue.indexOf(texture) === -1)
+        {
+            queue.push(texture);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
  * Built-in hook to draw PIXI.Text to its texture.
  *
  * @private
diff --git a/src/prepare/canvas/CanvasPrepare.js b/src/prepare/canvas/CanvasPrepare.js
index 0224bb5..09c207a 100644
--- a/src/prepare/canvas/CanvasPrepare.js
+++ b/src/prepare/canvas/CanvasPrepare.js
@@ -43,7 +43,7 @@
         this.ctx = this.canvas.getContext('2d');
 
         // Add textures to upload
-        this.register(findBaseTextures, uploadBaseTextures);
+        this.registerUploadHook(uploadBaseTextures);
     }
 
     /**
@@ -89,39 +89,4 @@
     return false;
 }
 
-/**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item  -Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
 core.CanvasRenderer.registerPlugin('prepare', CanvasPrepare);
diff --git a/src/prepare/index.js b/src/prepare/index.js
index f559c45..e7491ec 100644
--- a/src/prepare/index.js
+++ b/src/prepare/index.js
@@ -1,4 +1,29 @@
 /**
+ * The prepare namespace provides renderer-specific plugins for pre-rendering DisplayObjects. These plugins are useful for
+ * asynchronously preparing assets, textures, graphics waiting to be displayed.
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ * document.body.appendChild(app.view);
+ *
+ * // Don't start rendering right away
+ * app.stop();
+ *
+ * // create a display object
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add to the stage
+ * app.stage.addChild(rect);
+ *
+ * // Don't start rendering until the graphic is uploaded to the GPU
+ * app.renderer.plugins.prepare.upload(app.stage, () => {
+ *     app.start();
+ * });
  * @namespace PIXI.prepare
  */
 export { default as webgl } from './webgl/WebGLPrepare';
diff --git a/src/prepare/webgl/WebGLPrepare.js b/src/prepare/webgl/WebGLPrepare.js
index eb7023f..9df3c3f 100644
--- a/src/prepare/webgl/WebGLPrepare.js
+++ b/src/prepare/webgl/WebGLPrepare.js
@@ -22,12 +22,11 @@
         this.uploadHookHelper = this.renderer;
 
         // Add textures and graphics to upload
-        this.register(findBaseTextures, uploadBaseTextures)
-            .register(findGraphics, uploadGraphics);
+        this.registerFindHook(findGraphics);
+        this.registerUploadHook(uploadBaseTextures);
+        this.registerUploadHook(uploadGraphics);
     }
-
 }
-
 /**
  * Built-in hook to upload PIXI.Texture objects to the GPU.
  *
@@ -80,41 +79,6 @@
 }
 
 /**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item - Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
-/**
  * Built-in hook to find graphics.
  *
  * @private
diff --git a/test/.eslintrc.json b/test/.eslintrc.json
index e03220d..ac12110 100644
--- a/test/.eslintrc.json
+++ b/test/.eslintrc.json
@@ -12,7 +12,8 @@
         "sinon": false,
         "expect": false,
         "assert": false,
-        "PIXI": false
+        "PIXI": false,
+        "PointerEvent": true
     },
     "rules": {
         "func-names": 0,
diff --git a/test/core/BaseTexture.js b/test/core/BaseTexture.js
index 8b93478..bb65068 100644
--- a/test/core/BaseTexture.js
+++ b/test/core/BaseTexture.js
@@ -14,4 +14,28 @@
             expect(baseTexture.imageType).to.be.equals('png');
         });
     });
+
+    it('should remove Canvas BaseTexture from cache on destroy', function ()
+    {
+        const canvas = document.createElement('canvas');
+        const texture = PIXI.BaseTexture.fromCanvas(canvas);
+        const _pixiId = canvas._pixiId;
+
+        expect(PIXI.utils.BaseTextureCache[_pixiId]).to.equal(texture);
+        texture.destroy();
+        expect(PIXI.utils.BaseTextureCache[_pixiId]).to.equal(undefined);
+    });
+
+    it('should remove Image BaseTexture from cache on destroy', function ()
+    {
+        const URL = 'foo.png';
+        const NAME = 'bar';
+        const image = new Image();
+
+        const texture = PIXI.Texture.fromLoader(image, URL, NAME);
+
+        expect(PIXI.utils.BaseTextureCache[NAME]).to.equal(texture.baseTexture);
+        texture.destroy(true);
+        expect(PIXI.utils.BaseTextureCache[NAME]).to.equal(undefined);
+    });
 });
diff --git a/test/core/Circle.js b/test/core/Circle.js
index 183f98f..f621992 100644
--- a/test/core/Circle.js
+++ b/test/core/Circle.js
@@ -53,6 +53,10 @@
         expect(circ1.contains(10, 16)).to.be.false;
         expect(circ1.contains(11, 15)).to.be.false;
         expect(circ1.contains(0, 0)).to.be.false;
+
+        const circ2 = new PIXI.Circle(10, 10, 0);
+
+        expect(circ2.contains(10, 10)).to.be.false;
     });
 
     it('should return framing rectangle', function ()
diff --git a/test/core/Container.js b/test/core/Container.js
index d11be33..cefde54 100644
--- a/test/core/Container.js
+++ b/test/core/Container.js
@@ -2,30 +2,36 @@
 
 function testAddChild(fn)
 {
-    fn(function (container, obj)
+    return function ()
     {
-        container.addChild(obj);
-    });
-    fn(function (container, obj)
-    {
-        container.addChildAt(obj);
-    });
+        fn(function (container, obj)
+        {
+            container.addChild(obj);
+        });
+        fn(function (container, obj)
+        {
+            container.addChildAt(obj);
+        });
+    };
 }
 
 function testRemoveChild(fn)
 {
-    fn(function (container, obj)
+    return function ()
     {
-        container.removeChild(obj);
-    });
-    fn(function (container, obj)
-    {
-        container.removeChildAt(container.children.indexOf(obj));
-    });
-    fn(function (container, obj)
-    {
-        container.removeChildren(container.children.indexOf(obj), container.children.indexOf(obj) + 1);
-    });
+        fn(function (container, obj)
+        {
+            container.removeChild(obj);
+        });
+        fn(function (container, obj)
+        {
+            container.removeChildAt(container.children.indexOf(obj));
+        });
+        fn(function (container, obj)
+        {
+            container.removeChildren(container.children.indexOf(obj), container.children.indexOf(obj) + 1);
+        });
+    };
 }
 
 describe('PIXI.Container', function ()
diff --git a/test/core/Ellipse.js b/test/core/Ellipse.js
index f2e8234..3f47442 100644
--- a/test/core/Ellipse.js
+++ b/test/core/Ellipse.js
@@ -56,6 +56,10 @@
         expect(ellipse1.contains(10, 16)).to.be.false;
         expect(ellipse1.contains(11, 15)).to.be.false;
         expect(ellipse1.contains(0, 0)).to.be.false;
+
+        const ellipse2 = new PIXI.Ellipse(10, 10, 0, 0);
+
+        expect(ellipse2.contains(10, 10)).to.be.false;
     });
 
     it('should return framing rectangle', function ()
diff --git a/test/core/Matrix.js b/test/core/Matrix.js
index 9d2694b..76bd57c 100644
--- a/test/core/Matrix.js
+++ b/test/core/Matrix.js
@@ -107,10 +107,60 @@
         expect(m1.ty).to.equal(m2.ty);
     });
 
+    it('should prepend matrix', function ()
+    {
+        const m1 = new PIXI.Matrix();
+        const m2 = new PIXI.Matrix();
+
+        m2.set(2, 3, 4, 5, 100, 200);
+        m1.prepend(m2);
+
+        expect(m1.a).to.equal(m2.a);
+        expect(m1.b).to.equal(m2.b);
+        expect(m1.c).to.equal(m2.c);
+        expect(m1.d).to.equal(m2.d);
+        expect(m1.tx).to.equal(m2.tx);
+        expect(m1.ty).to.equal(m2.ty);
+
+        const m3 = new PIXI.Matrix();
+        const m4 = new PIXI.Matrix();
+
+        m3.prepend(m4);
+
+        expect(m3.a).to.equal(m4.a);
+        expect(m3.b).to.equal(m4.b);
+        expect(m3.c).to.equal(m4.c);
+        expect(m3.d).to.equal(m4.d);
+        expect(m3.tx).to.equal(m4.tx);
+        expect(m3.ty).to.equal(m4.ty);
+    });
+
     it('should get IDENTITY and TEMP_MATRIX', function ()
     {
         expect(PIXI.Matrix.IDENTITY instanceof PIXI.Matrix).to.be.true;
         expect(PIXI.Matrix.TEMP_MATRIX instanceof PIXI.Matrix).to.be.true;
     });
-});
 
+    it('should reset matrix to default when identity() is called', function ()
+    {
+        const matrix = new PIXI.Matrix();
+
+        matrix.set(2, 3, 4, 5, 100, 200);
+
+        expect(matrix.a).to.equal(2);
+        expect(matrix.b).to.equal(3);
+        expect(matrix.c).to.equal(4);
+        expect(matrix.d).to.equal(5);
+        expect(matrix.tx).to.equal(100);
+        expect(matrix.ty).to.equal(200);
+
+        matrix.identity();
+
+        expect(matrix.a).to.equal(1);
+        expect(matrix.b).to.equal(0);
+        expect(matrix.c).to.equal(0);
+        expect(matrix.d).to.equal(1);
+        expect(matrix.tx).to.equal(0);
+        expect(matrix.ty).to.equal(0);
+    });
+});
diff --git a/test/core/Spritesheet.js b/test/core/Spritesheet.js
index 283adf5..7601a0c 100644
--- a/test/core/Spritesheet.js
+++ b/test/core/Spritesheet.js
@@ -18,6 +18,7 @@
                 expect(textures[id]).to.be.an.instanceof(PIXI.Texture);
                 expect(textures[id].width).to.equal(spritesheet.data.frames[id].frame.w / spritesheet.resolution);
                 expect(textures[id].height).to.equal(spritesheet.data.frames[id].frame.h / spritesheet.resolution);
+                expect(textures[id].textureCacheId).to.equal(id);
                 spritesheet.destroy(true);
                 expect(spritesheet.textures).to.be.null;
                 expect(spritesheet.baseTexture).to.be.null;
diff --git a/test/core/Texture.js b/test/core/Texture.js
index 8c4ef98..241ec3e 100644
--- a/test/core/Texture.js
+++ b/test/core/Texture.js
@@ -16,4 +16,20 @@
         expect(PIXI.utils.TextureCache[URL]).to.equal(texture);
         expect(PIXI.utils.BaseTextureCache[URL]).to.equal(texture.baseTexture);
     });
+
+    it('should remove Texture from cache on destroy', function ()
+    {
+        const NAME = 'foo';
+        const NAME2 = 'bar';
+        const texture = new PIXI.Texture(new PIXI.BaseTexture());
+
+        PIXI.Texture.addTextureToCache(texture, NAME);
+        PIXI.Texture.addTextureToCache(texture, NAME2);
+        expect(texture.textureCacheId).to.equal(NAME);
+        expect(PIXI.utils.TextureCache[NAME]).to.equal(texture);
+        expect(PIXI.utils.TextureCache[NAME2]).to.equal(texture);
+        texture.destroy();
+        expect(PIXI.utils.TextureCache[NAME]).to.equal(undefined);
+        expect(PIXI.utils.TextureCache[NAME2]).to.equal(undefined);
+    });
 });
diff --git a/test/core/Ticker.js b/test/core/Ticker.js
new file mode 100644
index 0000000..188770f
--- /dev/null
+++ b/test/core/Ticker.js
@@ -0,0 +1,322 @@
+'use strict';
+
+const Ticker = PIXI.ticker.Ticker;
+const shared = PIXI.ticker.shared;
+
+describe('PIXI.ticker.Ticker', function ()
+{
+    before(function ()
+    {
+        this.length = (ticker) =>
+        {
+            ticker = ticker || shared;
+
+            if (!ticker._head || !ticker._head.next)
+            {
+                return 0;
+            }
+
+            let listener = ticker._head.next;
+            let i = 0;
+
+            while (listener)
+            {
+                listener = listener.next;
+                i++;
+            }
+
+            return i;
+        };
+    });
+
+    it('should be available', function ()
+    {
+        expect(Ticker).to.be.a.function;
+        expect(shared).to.be.an.instanceof(Ticker);
+    });
+
+    it('should create a new ticker and destroy it', function ()
+    {
+        const ticker = new Ticker();
+
+        ticker.start();
+
+        const listener = sinon.spy();
+
+        expect(this.length(ticker)).to.equal(0);
+
+        ticker.add(listener);
+
+        expect(this.length(ticker)).to.equal(1);
+
+        ticker.destroy();
+
+        expect(ticker._head).to.be.null;
+        expect(ticker.started).to.be.false;
+        expect(this.length(ticker)).to.equal(0);
+    });
+
+    it('should protect destroying shared ticker', function ()
+    {
+        shared.destroy();
+        expect(shared._head).to.not.be.null;
+        expect(shared.started).to.be.true;
+    });
+
+    it('should add and remove listener', function ()
+    {
+        const listener = sinon.spy();
+        const length = this.length();
+
+        shared.add(listener);
+
+        expect(this.length()).to.equal(length + 1);
+
+        shared.remove(listener);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should update a listener', function ()
+    {
+        const listener = sinon.spy();
+
+        shared.add(listener);
+        shared.update();
+
+        expect(listener.calledOnce).to.be.true;
+
+        shared.remove(listener);
+        shared.update();
+
+        expect(listener.calledOnce).to.be.true;
+    });
+
+    it('should update a listener twice and remove once', function ()
+    {
+        const listener = sinon.spy();
+        const length = this.length();
+
+        shared.add(listener).add(listener);
+        shared.update();
+
+        expect(listener.calledTwice).to.be.true;
+        expect(this.length()).to.equal(length + 2);
+
+        shared.remove(listener);
+        shared.update();
+
+        expect(listener.calledTwice).to.be.true;
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should respect priority order', function ()
+    {
+        const length = this.length();
+        const listener1 = sinon.spy();
+        const listener2 = sinon.spy();
+        const listener3 = sinon.spy();
+        const listener4 = sinon.spy();
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.LOW)
+            .add(listener4, null, PIXI.UPDATE_PRIORITY.INTERACTION)
+            .add(listener3, null, PIXI.UPDATE_PRIORITY.HIGH)
+            .add(listener2, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 4);
+
+        sinon.assert.callOrder(listener4, listener3, listener2, listener1);
+
+        shared.remove(listener1)
+            .remove(listener2)
+            .remove(listener3)
+            .remove(listener4);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should auto-remove once listeners', function ()
+    {
+        const length = this.length();
+        const listener = sinon.spy();
+
+        shared.addOnce(listener);
+
+        shared.update();
+
+        expect(listener.calledOnce).to.be.true;
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should call inserted item with a lower priority', function ()
+    {
+        const length = this.length();
+        const lowListener = sinon.spy();
+        const highListener = sinon.spy();
+        const mainListener = sinon.spy(() =>
+        {
+            shared.add(highListener, null, PIXI.UPDATE_PRIORITY.HIGH);
+            shared.add(lowListener, null, PIXI.UPDATE_PRIORITY.LOW);
+        });
+
+        shared.add(mainListener, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 3);
+
+        expect(mainListener.calledOnce).to.be.true;
+        expect(lowListener.calledOnce).to.be.true;
+        expect(highListener.calledOnce).to.be.false;
+
+        shared.remove(mainListener)
+            .remove(highListener)
+            .remove(lowListener);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should remove emit low-priority item during emit', function ()
+    {
+        const length = this.length();
+        const listener2 = sinon.spy();
+        const listener1 = sinon.spy(() =>
+        {
+            shared.add(listener2, null, PIXI.UPDATE_PRIORITY.LOW);
+        });
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 2);
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener1.calledOnce).to.be.true;
+
+        shared.remove(listener1)
+            .remove(listener2);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should remove itself on emit after adding new item', function ()
+    {
+        const length = this.length();
+        const listener2 = sinon.spy();
+        const listener1 = sinon.spy(() =>
+        {
+            shared.add(listener2, null, PIXI.UPDATE_PRIORITY.LOW);
+            shared.remove(listener1);
+
+            // listener is removed right away
+            expect(this.length()).to.equal(length + 1);
+        });
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 1);
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener1.calledOnce).to.be.true;
+
+        shared.remove(listener2);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should remove itself before, still calling new item', function ()
+    {
+        const length = this.length();
+        const listener2 = sinon.spy();
+        const listener1 = sinon.spy(() =>
+        {
+            shared.remove(listener1);
+            shared.add(listener2, null, PIXI.UPDATE_PRIORITY.LOW);
+
+            // listener is removed right away
+            expect(this.length()).to.equal(length + 1);
+        });
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 1);
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener1.calledOnce).to.be.true;
+
+        shared.remove(listener2);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should remove items before and after current priority', function ()
+    {
+        const length = this.length();
+        const listener2 = sinon.spy();
+        const listener3 = sinon.spy();
+        const listener4 = sinon.spy();
+
+        shared.add(listener2, null, PIXI.UPDATE_PRIORITY.HIGH);
+        shared.add(listener3, null, PIXI.UPDATE_PRIORITY.LOW);
+        shared.add(listener4, null, PIXI.UPDATE_PRIORITY.LOW);
+
+        const listener1 = sinon.spy(() =>
+        {
+            shared.remove(listener2)
+                .remove(listener3);
+
+            // listener is removed right away
+            expect(this.length()).to.equal(length + 2);
+        });
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 2);
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener3.calledOnce).to.be.false;
+        expect(listener4.calledOnce).to.be.true;
+        expect(listener1.calledOnce).to.be.true;
+
+        shared.update();
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener3.calledOnce).to.be.false;
+        expect(listener4.calledTwice).to.be.true;
+        expect(listener1.calledTwice).to.be.true;
+
+        shared.remove(listener1)
+            .remove(listener4);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should destroy on listener', function (done)
+    {
+        const ticker = new Ticker();
+        const listener2 = sinon.spy();
+        const listener = sinon.spy(() =>
+        {
+            ticker.destroy();
+            setTimeout(() =>
+            {
+                expect(listener2.called).to.be.false;
+                expect(listener.calledOnce).to.be.true;
+                done();
+            }, 0);
+        });
+
+        ticker.add(listener);
+        ticker.add(listener2, null, PIXI.UPDATE_PRIORITY.LOW);
+        ticker.start();
+    });
+});
diff --git a/test/core/TilingSprite.js b/test/core/TilingSprite.js
index 2e449a7..7694792 100644
--- a/test/core/TilingSprite.js
+++ b/test/core/TilingSprite.js
@@ -24,4 +24,25 @@
             expect(bounds.height).to.equal(600);
         });
     });
+
+    it('checks if tilingSprite contains a point', function ()
+    {
+        const texture = new PIXI.Texture(new PIXI.BaseTexture());
+        const tilingSprite = new PIXI.extras.TilingSprite(texture, 200, 300);
+
+        expect(tilingSprite.containsPoint(new PIXI.Point(1, 1))).to.equal(true);
+        expect(tilingSprite.containsPoint(new PIXI.Point(300, 400))).to.equal(false);
+    });
+
+    it('gets and sets height and width correctly', function ()
+    {
+        const texture = new PIXI.Texture(new PIXI.BaseTexture());
+        const tilingSprite = new PIXI.extras.TilingSprite(texture, 200, 300);
+
+        tilingSprite.width = 400;
+        tilingSprite.height = 600;
+
+        expect(tilingSprite.width).to.equal(400);
+        expect(tilingSprite.height).to.equal(600);
+    });
 });

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line
diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 02d53a3..449f8cc 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -30,7 +30,10 @@
         /**
          * When passed to an event handler, this will be the original DOM Event that was captured
          *
-         * @member {Event}
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+         * @member {MouseEvent|TouchEvent|PointerEvent}
          */
         this.originalEvent = null;
     }
diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 8baf13a..2d75c7c 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -13,6 +13,14 @@
 
 const MOUSE_POINTER_ID = 'MOUSE';
 
+// helpers for hitTest() - only used inside hitTest()
+const hitTestEvent = {
+    target: null,
+    data: {
+        global: null,
+    },
+};
+
 /**
  * The interaction manager deals with mouse, touch and pointer events. Any DisplayObject can be interactive
  * if its interactive parameter is set to true
@@ -245,67 +253,60 @@
         this.setTargetElement(this.renderer.view, this.renderer.resolution);
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed on the display
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display
          * object.
          *
-         * @event mousedown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * on the display object.
          *
-         * @event rightdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released over the display
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
          * object.
          *
-         * @event mouseup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is released
          * over the display object.
          *
-         * @event rightup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed and released on
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
          * the display object.
          *
-         * @event click
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * and released on the display object.
          *
-         * @event rightclick
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released outside the
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
          * display object that initially registered a
          * [mousedown]{@link PIXI.interaction.InteractionManager#event:mousedown}.
          *
-         * @event mouseupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
@@ -313,146 +314,362 @@
          * outside the display object that initially registered a
          * [rightdown]{@link PIXI.interaction.InteractionManager#event:rightdown}.
          *
-         * @event rightupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved while over the display object
          *
-         * @event mousemove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved onto the display object
          *
-         * @event mouseover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved off the display object
          *
-         * @event mouseout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed on the display object.
          *
-         * @event pointerdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released over the display object.
          *
-         * @event pointerup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a pointer event
          *
-         * @event pointercancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed and released on the display object.
          *
-         * @event pointertap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released outside the display object that initially
          * registered a [pointerdown]{@link PIXI.interaction.InteractionManager#event:pointerdown}.
          *
-         * @event pointerupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved while over the display object
          *
-         * @event pointermove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved onto the display object
          *
-         * @event pointerover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved off the display object
          *
-         * @event pointerout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed on the display object.
          *
-         * @event touchstart
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed from the display object.
          *
-         * @event touchend
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a touch
          *
-         * @event touchcancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed and removed from the display object.
          *
-         * @event tap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed outside of the display object that initially
          * registered a [touchstart]{@link PIXI.interaction.InteractionManager#event:touchstart}.
          *
-         * @event touchendoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is moved along the display object.
          *
-         * @event touchmove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display.
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * over the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
+         * the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * and released on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
+         * display object that initially registered a
+         * [mousedown]{@link PIXI.DisplayObject#event:mousedown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * outside the display object that initially registered a
+         * [rightdown]{@link PIXI.DisplayObject#event:rightdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a pointer event.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed and released on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released outside the display object that initially
+         * registered a [pointerdown]{@link PIXI.DisplayObject#event:pointerdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a touch.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed and removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed outside of the display object that initially
+         * registered a [touchstart]{@link PIXI.DisplayObject#event:touchstart}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is moved along the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+    }
+
+    /**
+     * Hit tests a point against the display tree, returning the first interactive object that is hit.
+     *
+     * @param {PIXI.Point} globalPoint - A point to hit test with, in global space.
+     * @param {PIXI.Container} [root] - The root display object to start from. If omitted, defaults
+     * to the last rendered root of the associated renderer.
+     * @return {PIXI.DisplayObject} The hit display object, if any.
+     */
+    hitTest(globalPoint, root)
+    {
+        // clear the target for our hit test
+        hitTestEvent.target = null;
+        // assign the global point
+        hitTestEvent.data.global = globalPoint;
+        // ensure safety of the root
+        if (!root)
+        {
+            root = this.renderer._lastObjectRendered;
+        }
+        // run the hit test
+        this.processInteractive(hitTestEvent, root, null, true);
+        // return our found object - it'll be null if we didn't hit anything
+
+        return hitTestEvent.target;
     }
 
     /**
@@ -487,7 +704,7 @@
             return;
         }
 
-        core.ticker.shared.add(this.update, this);
+        core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.INTERACTION);
 
         if (window.navigator.msPointerEnabled)
         {
@@ -804,8 +1021,6 @@
             }
         }
 
-        let keepHitTestingAfterChildren = hitTest;
-
         // ** FREE TIP **! If an object is not interactive or has no buttons in it
         // (such as a game scene!) set interactiveChildren to false for that displayObject.
         // This will allow pixi to completely ignore and bypass checking the displayObjects children.
@@ -818,7 +1033,9 @@
                 const child = children[i];
 
                 // time to get recursive.. if this function will return if something is hit..
-                if (this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent))
+                const childHit = this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent);
+
+                if (childHit)
                 {
                     // its a good idea to check if a child has lost its parent.
                     // this means it has been removed whilst looping so its best
@@ -827,8 +1044,6 @@
                         continue;
                     }
 
-                    hit = true;
-
                     // we no longer need to hit test any more objects in this container as we we
                     // now know the parent has been hit
                     interactiveParent = false;
@@ -838,36 +1053,41 @@
                     // This means we no longer need to hit test anything else. We still need to run
                     // through all objects, but we don't need to perform any hit tests.
 
-                    keepHitTestingAfterChildren = false;
-
-                    if (child.interactive)
+                    if (childHit)
                     {
-                        hitTest = false;
+                        if (interactionEvent.target)
+                        {
+                            hitTest = false;
+                        }
+                        hit = true;
                     }
-
-                    // we can break now as we have hit an object.
                 }
             }
         }
 
-        hitTest = keepHitTestingAfterChildren;
-
         // no point running this if the item is not interactive or does not have an interactive parent.
         if (interactive)
         {
             // if we are hit testing (as in we have no hit any objects yet)
             // We also don't need to worry about hit testing if once of the displayObjects children
-            // has already been hit!
-            if (hitTest && !hit)
+            // has already been hit - but only if it was interactive, otherwise we need to keep
+            // looking for an interactive child, just in case we hit one
+            if (hitTest && !interactionEvent.target)
             {
                 if (displayObject.hitArea)
                 {
                     displayObject.worldTransform.applyInverse(point, this._tempPoint);
-                    hit = displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y);
+                    if (displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y))
+                    {
+                        hit = true;
+                    }
                 }
                 else if (displayObject.containsPoint)
                 {
-                    hit = displayObject.containsPoint(point);
+                    if (displayObject.containsPoint(point))
+                    {
+                        hit = true;
+                    }
                 }
             }
 
@@ -878,7 +1098,10 @@
                     interactionEvent.target = displayObject;
                 }
 
-                func(interactionEvent, displayObject, hit);
+                if (func)
+                {
+                    func(interactionEvent, displayObject, !!hit);
+                }
             }
         }
 
@@ -914,7 +1137,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -998,7 +1221,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1098,7 +1321,7 @@
 
             const test = isRightButton ? flags.RIGHT_DOWN : flags.LEFT_DOWN;
 
-            const isDown = trackingData !== undefined && (trackingData.flags | test);
+            const isDown = trackingData !== undefined && (trackingData.flags & test);
 
             if (hit)
             {
@@ -1118,11 +1341,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }
@@ -1180,7 +1403,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1255,7 +1478,7 @@
             this.setCursorMode(null);
         }
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1268,6 +1491,12 @@
         {
             this.emit('mouseout', interactionEvent);
         }
+        else
+        {
+            // we can get touchleave events after touchend, so we want to make sure we don't
+            // introduce memory leaks
+            this.releaseInteractionDataForPointerId(interactionData.identifier);
+        }
     }
 
     /**
@@ -1344,7 +1573,7 @@
         // Only mouse and pointer can call onPointerOver, so events will always be length 1
         const event = events[0];
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1366,12 +1595,14 @@
      * Get InteractionData for a given pointerId. Store that data as well
      *
      * @private
-     * @param {number} pointerId - Identifier from a pointer event
+     * @param {PointerEvent} event - Normalized pointer event, output from normalizeToPointerData
      * @return {InteractionData} - Interaction data for the given pointer identifier
      */
-    getInteractionDataForPointerId(pointerId)
+    getInteractionDataForPointerId(event)
     {
-        if (pointerId === MOUSE_POINTER_ID)
+        const pointerId = event.pointerId;
+
+        if (pointerId === MOUSE_POINTER_ID || event.pointerType === 'mouse')
         {
             return this.mouse;
         }
diff --git a/src/interaction/InteractionTrackingData.js b/src/interaction/InteractionTrackingData.js
index 6a1f69e..8493b63 100644
--- a/src/interaction/InteractionTrackingData.js
+++ b/src/interaction/InteractionTrackingData.js
@@ -35,8 +35,10 @@
     }
 
     /**
+     * Unique pointer id of the event
+     *
      * @readonly
-     * @type {number} Unique pointer id of the event
+     * @member {number}
      */
     get pointerId()
     {
diff --git a/src/interaction/index.js b/src/interaction/index.js
index 56c5b09..72f7d71 100644
--- a/src/interaction/index.js
+++ b/src/interaction/index.js
@@ -1,4 +1,8 @@
 /**
+ * This namespace contains a renderer plugin for handling mouse, pointer, and touch events.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.interaction
  */
 export { default as InteractionData } from './InteractionData';
diff --git a/src/interaction/interactiveTarget.js b/src/interaction/interactiveTarget.js
index d252fba..cebac40 100644
--- a/src/interaction/interactiveTarget.js
+++ b/src/interaction/interactiveTarget.js
@@ -2,7 +2,7 @@
  * Default property values of interactive objects
  * Used by {@link PIXI.interaction.InteractionManager} to automatically give all DisplayObjects these properties
  *
- * @mixin
+ * @private
  * @name interactiveTarget
  * @memberof PIXI.interaction
  * @example
@@ -14,18 +14,28 @@
  *      );
  */
 export default {
+
     /**
-     * Determines if the displayObject be clicked/touched
+     * Enable interaction events for the DisplayObject. Touch, pointer and mouse
+     * events will not be emitted unless `interactive` is set to `true`.
      *
-     * @inner {boolean}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.on('tap', (event) => {
+     *    //handle event
+     * });
+     * @member {boolean}
+     * @memberof PIXI.DisplayObject#
      */
     interactive: false,
 
     /**
      * Determines if the children to the displayObject can be clicked/touched
-     * Setting this to false allows pixi to bypass a recursive hitTest function
+     * Setting this to false allows pixi to bypass a recursive `hitTest` function
      *
-     * @inner {boolean}
+     * @member {boolean}
+     * @memberof PIXI.Container#
      */
     interactiveChildren: true,
 
@@ -33,7 +43,12 @@
      * Interaction shape. Children will be hit first, then this shape will be checked.
      * Setting this will cause this shape to be checked in hit tests rather than the displayObject's bounds.
      *
-     * @inner {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.hitArea = new PIXI.Rectangle(0, 0, 100, 100);
+     * @member {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @memberof PIXI.DisplayObject#
      */
     hitArea: null,
 
@@ -41,8 +56,12 @@
      * If enabled, the mouse cursor use the pointer behavior when hovered over the displayObject if it is interactive
      * Setting this changes the 'cursor' property to `'pointer'`.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.buttonMode = true;
      * @member {boolean}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      */
     get buttonMode()
     {
@@ -64,9 +83,14 @@
      * This defines what cursor mode is used when the mouse cursor
      * is hovered over the displayObject.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.cursor = 'wait';
      * @see https://developer.mozilla.org/en/docs/Web/CSS/cursor
      *
-     * @inner {string}
+     * @member {string}
+     * @memberof PIXI.DisplayObject#
      */
     cursor: null,
 
@@ -74,7 +98,7 @@
      * Internal set of all active pointers, by identifier
      *
      * @member {Map<number, InteractionTrackingData>}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      * @private
      */
     get trackedPointers()
@@ -87,7 +111,8 @@
     /**
      * Map of all tracked pointers, by identifier. Use trackedPointers to access.
      *
-     * @private {Map<number, InteractionTrackingData>}
+     * @private
+     * @type {Map<number, InteractionTrackingData>}
      */
     _trackedPointers: undefined,
 };
diff --git a/src/loaders/index.js b/src/loaders/index.js
index 5189793..daa1fc4 100644
--- a/src/loaders/index.js
+++ b/src/loaders/index.js
@@ -1,9 +1,22 @@
+import Application from '../core/Application';
+import Loader from './loader';
+
 /**
+ * This namespace contains APIs which extends the {@link https://github.com/englercj/resource-loader resource-loader} module
+ * for loading assets, data, and other resources dynamically.
+ * @example
+ * const loader = new PIXI.loaders.Loader();
+ * loader.add('bunny', 'data/bunny.png')
+ *       .add('spaceship', 'assets/spritesheet.json');
+ * loader.load((loader, resources) => {
+ *    // resources.bunny
+ *    // resources.spaceship
+ * });
  * @namespace PIXI.loaders
  */
-export { default as Loader } from './loader';
+export { Loader };
 export { default as bitmapFontParser, parse as parseBitmapFontData } from './bitmapFontParser';
-export { default as spritesheetParser } from './spritesheetParser';
+export { default as spritesheetParser, getResourcePath } from './spritesheetParser';
 export { default as textureParser } from './textureParser';
 
 /**
@@ -13,3 +26,55 @@
  * @memberof PIXI.loaders
  */
 export { Resource } from 'resource-loader';
+
+/**
+ * A premade instance of the loader that can be used to load resources.
+ * @name shared
+ * @memberof PIXI.loaders
+ * @type {PIXI.loaders.Loader}
+ */
+const shared = new Loader();
+
+shared.destroy = () =>
+{
+    // protect destroying shared loader
+};
+
+export { shared };
+
+// Mixin the loader construction
+const AppPrototype = Application.prototype;
+
+AppPrototype._loader = null;
+
+/**
+ * Loader instance to help with asset loading.
+ * @name PIXI.Application#loader
+ * @type {PIXI.loaders.Loader}
+ */
+Object.defineProperty(AppPrototype, 'loader', {
+    get()
+    {
+        if (!this._loader)
+        {
+            const sharedLoader = this._options.sharedLoader;
+
+            this._loader = sharedLoader ? shared : new Loader();
+        }
+
+        return this._loader;
+    },
+});
+
+// Override the destroy function
+// making sure to destroy the current Loader
+AppPrototype._parentDestroy = AppPrototype.destroy;
+AppPrototype.destroy = function destroy()
+{
+    if (this._loader)
+    {
+        this._loader.destroy();
+        this._loader = null;
+    }
+    this._parentDestroy();
+};
diff --git a/src/loaders/loader.js b/src/loaders/loader.js
index 767a411..59b8000 100644
--- a/src/loaders/loader.js
+++ b/src/loaders/loader.js
@@ -90,6 +90,15 @@
     {
         Loader._pixiMiddleware.push(fn);
     }
+
+    /**
+     * Destroy the loader, removes references.
+     */
+    destroy()
+    {
+        this.removeAllListeners();
+        this.reset();
+    }
 }
 
 // Copy EE3 prototype (mixin)
diff --git a/src/loaders/spritesheetParser.js b/src/loaders/spritesheetParser.js
index e57dfb2..eda9584 100644
--- a/src/loaders/spritesheetParser.js
+++ b/src/loaders/spritesheetParser.js
@@ -1,12 +1,11 @@
 import { Resource } from 'resource-loader';
-import path from 'path';
+import url from 'url';
 import { Spritesheet } from '../core';
 
 export default function ()
 {
     return function spritesheetParser(resource, next)
     {
-        let resourcePath;
         const imageResourceName = `${resource.name}_image`;
 
         // skip if no data, its not json, it isn't spritesheet data, or the image resource already exists
@@ -28,15 +27,7 @@
             parentResource: resource,
         };
 
-        // Prepend url path unless the resource image is a data url
-        if (resource.isDataUrl)
-        {
-            resourcePath = resource.data.meta.image;
-        }
-        else
-        {
-            resourcePath = `${path.dirname(resource.url.replace(this.baseUrl, ''))}/${resource.data.meta.image}`;
-        }
+        const resourcePath = getResourcePath(resource, this.baseUrl);
 
         // load the image for this sheet
         this.add(imageResourceName, resourcePath, loadOptions, function onImageLoad(res)
@@ -56,3 +47,14 @@
         });
     };
 }
+
+export function getResourcePath(resource, baseUrl)
+{
+    // Prepend url path unless the resource image is a data url
+    if (resource.isDataUrl)
+    {
+        return resource.data.meta.image;
+    }
+
+    return url.resolve(resource.url.replace(baseUrl, ''), resource.data.meta.image);
+}
diff --git a/src/mesh/canvas/CanvasMeshRenderer.js b/src/mesh/canvas/CanvasMeshRenderer.js
index 297205f..f7899e1 100644
--- a/src/mesh/canvas/CanvasMeshRenderer.js
+++ b/src/mesh/canvas/CanvasMeshRenderer.js
@@ -134,12 +134,33 @@
         const textureWidth = base.width;
         const textureHeight = base.height;
 
-        const u0 = uvs[index0] * base.width;
-        const u1 = uvs[index1] * base.width;
-        const u2 = uvs[index2] * base.width;
-        const v0 = uvs[index0 + 1] * base.height;
-        const v1 = uvs[index1 + 1] * base.height;
-        const v2 = uvs[index2 + 1] * base.height;
+        let u0;
+        let u1;
+        let u2;
+        let v0;
+        let v1;
+        let v2;
+
+        if (mesh.uploadUvTransform)
+        {
+            const ut = mesh._uvTransform.mapCoord;
+
+            u0 = ((uvs[index0] * ut.a) + (uvs[index0 + 1] * ut.c) + ut.tx) * base.width;
+            u1 = ((uvs[index1] * ut.a) + (uvs[index1 + 1] * ut.c) + ut.tx) * base.width;
+            u2 = ((uvs[index2] * ut.a) + (uvs[index2 + 1] * ut.c) + ut.tx) * base.width;
+            v0 = ((uvs[index0] * ut.b) + (uvs[index0 + 1] * ut.d) + ut.ty) * base.height;
+            v1 = ((uvs[index1] * ut.b) + (uvs[index1 + 1] * ut.d) + ut.ty) * base.height;
+            v2 = ((uvs[index2] * ut.b) + (uvs[index2 + 1] * ut.d) + ut.ty) * base.height;
+        }
+        else
+        {
+            u0 = uvs[index0] * base.width;
+            u1 = uvs[index1] * base.width;
+            u2 = uvs[index2] * base.width;
+            v0 = uvs[index0 + 1] * base.height;
+            v1 = uvs[index1 + 1] * base.height;
+            v2 = uvs[index2 + 1] * base.height;
+        }
 
         let x0 = vertices[index0];
         let x1 = vertices[index1];
diff --git a/src/mesh/webgl/MeshRenderer.js b/src/mesh/webgl/MeshRenderer.js
index 78d24c3..ab99fcd 100644
--- a/src/mesh/webgl/MeshRenderer.js
+++ b/src/mesh/webgl/MeshRenderer.js
@@ -2,6 +2,8 @@
 
 const byteSizeMap = { 5126: 4, 5123: 2, 5121: 1 };
 
+const matrixIdentity = core.Matrix.IDENTITY;
+
 /**
  * WebGL renderer plugin for tiling sprites
  *
@@ -64,6 +66,7 @@
         mesh.geometry.glVertexArrayObjects[this.CONTEXT_UID].draw(mesh.drawMode, mesh.size, mesh.start, mesh.geometry.instanceCount);
     }
 
+
     /**
      * draws mesh
      * @param {PIXI.mesh.RawMesh} mesh mesh instance
diff --git a/src/mesh/webgl/mesh.vert b/src/mesh/webgl/mesh.vert
index a337aef..acc096c 100644
--- a/src/mesh/webgl/mesh.vert
+++ b/src/mesh/webgl/mesh.vert
@@ -1,8 +1,9 @@
 attribute vec2 aVertexPosition;
 attribute vec2 aTextureCoord;
 
-uniform mat3 translationMatrix;
 uniform mat3 projectionMatrix;
+uniform mat3 translationMatrix;
+uniform mat3 uTransform;
 
 varying vec2 vTextureCoord;
 
@@ -10,5 +11,5 @@
 {
     gl_Position = vec4((projectionMatrix * translationMatrix * vec3(aVertexPosition, 1.0)).xy, 0.0, 1.0);
 
-    vTextureCoord = aTextureCoord;
+    vTextureCoord = (uTransform * vec3(aTextureCoord, 1.0)).xy;
 }
diff --git a/src/particles/ParticleContainer.js b/src/particles/ParticleContainer.js
index 67796cf..63f7791 100644
--- a/src/particles/ParticleContainer.js
+++ b/src/particles/ParticleContainer.js
@@ -313,10 +313,10 @@
                 frame.y * resolution,
                 frame.width * resolution,
                 frame.height * resolution,
-                positionX * resolution,
-                positionY * resolution,
-                finalWidth * resolution,
-                finalHeight * resolution
+                positionX * renderer.resolution,
+                positionY * renderer.resolution,
+                finalWidth * renderer.resolution,
+                finalHeight * renderer.resolution
             );
         }
     }
diff --git a/src/prepare/BasePrepare.js b/src/prepare/BasePrepare.js
index 09eb5e5..e45c4dc 100644
--- a/src/prepare/BasePrepare.js
+++ b/src/prepare/BasePrepare.js
@@ -18,6 +18,18 @@
  * basic queuing functionality and is extended by {@link PIXI.prepare.WebGLPrepare} and {@link PIXI.prepare.CanvasPrepare}
  * to provide preparation capabilities specific to their respective renderers.
  *
+ * @example
+ * // Create a sprite
+ * const sprite = new PIXI.Sprite.fromImage('something.png');
+ *
+ * // Load object into GPU
+ * app.renderer.plugins.prepare.upload(sprite, () => {
+ *
+ *     //Texture(s) has been uploaded to GPU
+ *     app.stage.addChild(sprite);
+ *
+ * })
+ *
  * @abstract
  * @class
  * @memberof PIXI.prepare
@@ -100,8 +112,16 @@
             this.prepareItems();
         };
 
-        this.register(findText, drawText);
-        this.register(findTextStyle, calculateTextStyle);
+        // hooks to find the correct texture
+        this.registerFindHook(findText);
+        this.registerFindHook(findTextStyle);
+        this.registerFindHook(findMultipleBaseTextures);
+        this.registerFindHook(findBaseTexture);
+        this.registerFindHook(findTexture);
+
+        // upload hooks
+        this.registerUploadHook(drawText);
+        this.registerUploadHook(calculateTextStyle);
     }
 
     /**
@@ -138,7 +158,7 @@
             if (!this.ticking)
             {
                 this.ticking = true;
-                SharedTicker.addOnce(this.tick, this);
+                SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
             }
         }
         else if (done)
@@ -172,13 +192,16 @@
             const item = this.queue[0];
             let uploaded = false;
 
-            for (let i = 0, len = this.uploadHooks.length; i < len; i++)
+            if (item && !item._destroyed)
             {
-                if (this.uploadHooks[i](this.uploadHookHelper, item))
+                for (let i = 0, len = this.uploadHooks.length; i < len; i++)
                 {
-                    this.queue.shift();
-                    uploaded = true;
-                    break;
+                    if (this.uploadHooks[i](this.uploadHookHelper, item))
+                    {
+                        this.queue.shift();
+                        uploaded = true;
+                        break;
+                    }
                 }
             }
 
@@ -205,26 +228,36 @@
         else
         {
             // if we are not finished, on the next rAF do this again
-            SharedTicker.addOnce(this.tick, this);
+            SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
         }
     }
 
     /**
-     * Adds hooks for finding and uploading items.
+     * Adds hooks for finding items.
      *
-     * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
-              function must return `true` if it was able to add item to the queue.
-     * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
-     *        function must return `true` if it was able to handle upload of item.
-     * @return {PIXI.CanvasPrepare} Instance of plugin for chaining.
+     * @param {Function} addHook - Function call that takes two parameters: `item:*, queue:Array`
+     *          function must return `true` if it was able to add item to the queue.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
      */
-    register(addHook, uploadHook)
+    registerFindHook(addHook)
     {
         if (addHook)
         {
             this.addHooks.push(addHook);
         }
 
+        return this;
+    }
+
+    /**
+     * Adds hooks for uploading items.
+     *
+     * @param {Function} uploadHook - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+     *          function must return `true` if it was able to handle upload of item.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+     */
+    registerUploadHook(uploadHook)
+    {
         if (uploadHook)
         {
             this.uploadHooks.push(uploadHook);
@@ -287,6 +320,88 @@
 }
 
 /**
+ * Built-in hook to find multiple textures from objects like AnimatedSprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findMultipleBaseTextures(item, queue)
+{
+    let result = false;
+
+    // Objects with mutliple textures
+    if (item && item._textures && item._textures.length)
+    {
+        for (let i = 0; i < item._textures.length; i++)
+        {
+            if (item._textures[i] instanceof core.Texture)
+            {
+                const baseTexture = item._textures[i].baseTexture;
+
+                if (queue.indexOf(baseTexture) === -1)
+                {
+                    queue.push(baseTexture);
+                    result = true;
+                }
+            }
+        }
+    }
+
+    return result;
+}
+
+/**
+ * Built-in hook to find BaseTextures from Sprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findBaseTexture(item, queue)
+{
+    // Objects with textures, like Sprites/Text
+    if (item instanceof core.BaseTexture)
+    {
+        if (queue.indexOf(item) === -1)
+        {
+            queue.push(item);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
+ * Built-in hook to find textures from objects.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findTexture(item, queue)
+{
+    if (item._texture && item._texture instanceof core.Texture)
+    {
+        const texture = item._texture.baseTexture;
+
+        if (queue.indexOf(texture) === -1)
+        {
+            queue.push(texture);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
  * Built-in hook to draw PIXI.Text to its texture.
  *
  * @private
diff --git a/src/prepare/canvas/CanvasPrepare.js b/src/prepare/canvas/CanvasPrepare.js
index 0224bb5..09c207a 100644
--- a/src/prepare/canvas/CanvasPrepare.js
+++ b/src/prepare/canvas/CanvasPrepare.js
@@ -43,7 +43,7 @@
         this.ctx = this.canvas.getContext('2d');
 
         // Add textures to upload
-        this.register(findBaseTextures, uploadBaseTextures);
+        this.registerUploadHook(uploadBaseTextures);
     }
 
     /**
@@ -89,39 +89,4 @@
     return false;
 }
 
-/**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item  -Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
 core.CanvasRenderer.registerPlugin('prepare', CanvasPrepare);
diff --git a/src/prepare/index.js b/src/prepare/index.js
index f559c45..e7491ec 100644
--- a/src/prepare/index.js
+++ b/src/prepare/index.js
@@ -1,4 +1,29 @@
 /**
+ * The prepare namespace provides renderer-specific plugins for pre-rendering DisplayObjects. These plugins are useful for
+ * asynchronously preparing assets, textures, graphics waiting to be displayed.
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ * document.body.appendChild(app.view);
+ *
+ * // Don't start rendering right away
+ * app.stop();
+ *
+ * // create a display object
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add to the stage
+ * app.stage.addChild(rect);
+ *
+ * // Don't start rendering until the graphic is uploaded to the GPU
+ * app.renderer.plugins.prepare.upload(app.stage, () => {
+ *     app.start();
+ * });
  * @namespace PIXI.prepare
  */
 export { default as webgl } from './webgl/WebGLPrepare';
diff --git a/src/prepare/webgl/WebGLPrepare.js b/src/prepare/webgl/WebGLPrepare.js
index eb7023f..9df3c3f 100644
--- a/src/prepare/webgl/WebGLPrepare.js
+++ b/src/prepare/webgl/WebGLPrepare.js
@@ -22,12 +22,11 @@
         this.uploadHookHelper = this.renderer;
 
         // Add textures and graphics to upload
-        this.register(findBaseTextures, uploadBaseTextures)
-            .register(findGraphics, uploadGraphics);
+        this.registerFindHook(findGraphics);
+        this.registerUploadHook(uploadBaseTextures);
+        this.registerUploadHook(uploadGraphics);
     }
-
 }
-
 /**
  * Built-in hook to upload PIXI.Texture objects to the GPU.
  *
@@ -80,41 +79,6 @@
 }
 
 /**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item - Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
-/**
  * Built-in hook to find graphics.
  *
  * @private
diff --git a/test/.eslintrc.json b/test/.eslintrc.json
index e03220d..ac12110 100644
--- a/test/.eslintrc.json
+++ b/test/.eslintrc.json
@@ -12,7 +12,8 @@
         "sinon": false,
         "expect": false,
         "assert": false,
-        "PIXI": false
+        "PIXI": false,
+        "PointerEvent": true
     },
     "rules": {
         "func-names": 0,
diff --git a/test/core/BaseTexture.js b/test/core/BaseTexture.js
index 8b93478..bb65068 100644
--- a/test/core/BaseTexture.js
+++ b/test/core/BaseTexture.js
@@ -14,4 +14,28 @@
             expect(baseTexture.imageType).to.be.equals('png');
         });
     });
+
+    it('should remove Canvas BaseTexture from cache on destroy', function ()
+    {
+        const canvas = document.createElement('canvas');
+        const texture = PIXI.BaseTexture.fromCanvas(canvas);
+        const _pixiId = canvas._pixiId;
+
+        expect(PIXI.utils.BaseTextureCache[_pixiId]).to.equal(texture);
+        texture.destroy();
+        expect(PIXI.utils.BaseTextureCache[_pixiId]).to.equal(undefined);
+    });
+
+    it('should remove Image BaseTexture from cache on destroy', function ()
+    {
+        const URL = 'foo.png';
+        const NAME = 'bar';
+        const image = new Image();
+
+        const texture = PIXI.Texture.fromLoader(image, URL, NAME);
+
+        expect(PIXI.utils.BaseTextureCache[NAME]).to.equal(texture.baseTexture);
+        texture.destroy(true);
+        expect(PIXI.utils.BaseTextureCache[NAME]).to.equal(undefined);
+    });
 });
diff --git a/test/core/Circle.js b/test/core/Circle.js
index 183f98f..f621992 100644
--- a/test/core/Circle.js
+++ b/test/core/Circle.js
@@ -53,6 +53,10 @@
         expect(circ1.contains(10, 16)).to.be.false;
         expect(circ1.contains(11, 15)).to.be.false;
         expect(circ1.contains(0, 0)).to.be.false;
+
+        const circ2 = new PIXI.Circle(10, 10, 0);
+
+        expect(circ2.contains(10, 10)).to.be.false;
     });
 
     it('should return framing rectangle', function ()
diff --git a/test/core/Container.js b/test/core/Container.js
index d11be33..cefde54 100644
--- a/test/core/Container.js
+++ b/test/core/Container.js
@@ -2,30 +2,36 @@
 
 function testAddChild(fn)
 {
-    fn(function (container, obj)
+    return function ()
     {
-        container.addChild(obj);
-    });
-    fn(function (container, obj)
-    {
-        container.addChildAt(obj);
-    });
+        fn(function (container, obj)
+        {
+            container.addChild(obj);
+        });
+        fn(function (container, obj)
+        {
+            container.addChildAt(obj);
+        });
+    };
 }
 
 function testRemoveChild(fn)
 {
-    fn(function (container, obj)
+    return function ()
     {
-        container.removeChild(obj);
-    });
-    fn(function (container, obj)
-    {
-        container.removeChildAt(container.children.indexOf(obj));
-    });
-    fn(function (container, obj)
-    {
-        container.removeChildren(container.children.indexOf(obj), container.children.indexOf(obj) + 1);
-    });
+        fn(function (container, obj)
+        {
+            container.removeChild(obj);
+        });
+        fn(function (container, obj)
+        {
+            container.removeChildAt(container.children.indexOf(obj));
+        });
+        fn(function (container, obj)
+        {
+            container.removeChildren(container.children.indexOf(obj), container.children.indexOf(obj) + 1);
+        });
+    };
 }
 
 describe('PIXI.Container', function ()
diff --git a/test/core/Ellipse.js b/test/core/Ellipse.js
index f2e8234..3f47442 100644
--- a/test/core/Ellipse.js
+++ b/test/core/Ellipse.js
@@ -56,6 +56,10 @@
         expect(ellipse1.contains(10, 16)).to.be.false;
         expect(ellipse1.contains(11, 15)).to.be.false;
         expect(ellipse1.contains(0, 0)).to.be.false;
+
+        const ellipse2 = new PIXI.Ellipse(10, 10, 0, 0);
+
+        expect(ellipse2.contains(10, 10)).to.be.false;
     });
 
     it('should return framing rectangle', function ()
diff --git a/test/core/Matrix.js b/test/core/Matrix.js
index 9d2694b..76bd57c 100644
--- a/test/core/Matrix.js
+++ b/test/core/Matrix.js
@@ -107,10 +107,60 @@
         expect(m1.ty).to.equal(m2.ty);
     });
 
+    it('should prepend matrix', function ()
+    {
+        const m1 = new PIXI.Matrix();
+        const m2 = new PIXI.Matrix();
+
+        m2.set(2, 3, 4, 5, 100, 200);
+        m1.prepend(m2);
+
+        expect(m1.a).to.equal(m2.a);
+        expect(m1.b).to.equal(m2.b);
+        expect(m1.c).to.equal(m2.c);
+        expect(m1.d).to.equal(m2.d);
+        expect(m1.tx).to.equal(m2.tx);
+        expect(m1.ty).to.equal(m2.ty);
+
+        const m3 = new PIXI.Matrix();
+        const m4 = new PIXI.Matrix();
+
+        m3.prepend(m4);
+
+        expect(m3.a).to.equal(m4.a);
+        expect(m3.b).to.equal(m4.b);
+        expect(m3.c).to.equal(m4.c);
+        expect(m3.d).to.equal(m4.d);
+        expect(m3.tx).to.equal(m4.tx);
+        expect(m3.ty).to.equal(m4.ty);
+    });
+
     it('should get IDENTITY and TEMP_MATRIX', function ()
     {
         expect(PIXI.Matrix.IDENTITY instanceof PIXI.Matrix).to.be.true;
         expect(PIXI.Matrix.TEMP_MATRIX instanceof PIXI.Matrix).to.be.true;
     });
-});
 
+    it('should reset matrix to default when identity() is called', function ()
+    {
+        const matrix = new PIXI.Matrix();
+
+        matrix.set(2, 3, 4, 5, 100, 200);
+
+        expect(matrix.a).to.equal(2);
+        expect(matrix.b).to.equal(3);
+        expect(matrix.c).to.equal(4);
+        expect(matrix.d).to.equal(5);
+        expect(matrix.tx).to.equal(100);
+        expect(matrix.ty).to.equal(200);
+
+        matrix.identity();
+
+        expect(matrix.a).to.equal(1);
+        expect(matrix.b).to.equal(0);
+        expect(matrix.c).to.equal(0);
+        expect(matrix.d).to.equal(1);
+        expect(matrix.tx).to.equal(0);
+        expect(matrix.ty).to.equal(0);
+    });
+});
diff --git a/test/core/Spritesheet.js b/test/core/Spritesheet.js
index 283adf5..7601a0c 100644
--- a/test/core/Spritesheet.js
+++ b/test/core/Spritesheet.js
@@ -18,6 +18,7 @@
                 expect(textures[id]).to.be.an.instanceof(PIXI.Texture);
                 expect(textures[id].width).to.equal(spritesheet.data.frames[id].frame.w / spritesheet.resolution);
                 expect(textures[id].height).to.equal(spritesheet.data.frames[id].frame.h / spritesheet.resolution);
+                expect(textures[id].textureCacheId).to.equal(id);
                 spritesheet.destroy(true);
                 expect(spritesheet.textures).to.be.null;
                 expect(spritesheet.baseTexture).to.be.null;
diff --git a/test/core/Texture.js b/test/core/Texture.js
index 8c4ef98..241ec3e 100644
--- a/test/core/Texture.js
+++ b/test/core/Texture.js
@@ -16,4 +16,20 @@
         expect(PIXI.utils.TextureCache[URL]).to.equal(texture);
         expect(PIXI.utils.BaseTextureCache[URL]).to.equal(texture.baseTexture);
     });
+
+    it('should remove Texture from cache on destroy', function ()
+    {
+        const NAME = 'foo';
+        const NAME2 = 'bar';
+        const texture = new PIXI.Texture(new PIXI.BaseTexture());
+
+        PIXI.Texture.addTextureToCache(texture, NAME);
+        PIXI.Texture.addTextureToCache(texture, NAME2);
+        expect(texture.textureCacheId).to.equal(NAME);
+        expect(PIXI.utils.TextureCache[NAME]).to.equal(texture);
+        expect(PIXI.utils.TextureCache[NAME2]).to.equal(texture);
+        texture.destroy();
+        expect(PIXI.utils.TextureCache[NAME]).to.equal(undefined);
+        expect(PIXI.utils.TextureCache[NAME2]).to.equal(undefined);
+    });
 });
diff --git a/test/core/Ticker.js b/test/core/Ticker.js
new file mode 100644
index 0000000..188770f
--- /dev/null
+++ b/test/core/Ticker.js
@@ -0,0 +1,322 @@
+'use strict';
+
+const Ticker = PIXI.ticker.Ticker;
+const shared = PIXI.ticker.shared;
+
+describe('PIXI.ticker.Ticker', function ()
+{
+    before(function ()
+    {
+        this.length = (ticker) =>
+        {
+            ticker = ticker || shared;
+
+            if (!ticker._head || !ticker._head.next)
+            {
+                return 0;
+            }
+
+            let listener = ticker._head.next;
+            let i = 0;
+
+            while (listener)
+            {
+                listener = listener.next;
+                i++;
+            }
+
+            return i;
+        };
+    });
+
+    it('should be available', function ()
+    {
+        expect(Ticker).to.be.a.function;
+        expect(shared).to.be.an.instanceof(Ticker);
+    });
+
+    it('should create a new ticker and destroy it', function ()
+    {
+        const ticker = new Ticker();
+
+        ticker.start();
+
+        const listener = sinon.spy();
+
+        expect(this.length(ticker)).to.equal(0);
+
+        ticker.add(listener);
+
+        expect(this.length(ticker)).to.equal(1);
+
+        ticker.destroy();
+
+        expect(ticker._head).to.be.null;
+        expect(ticker.started).to.be.false;
+        expect(this.length(ticker)).to.equal(0);
+    });
+
+    it('should protect destroying shared ticker', function ()
+    {
+        shared.destroy();
+        expect(shared._head).to.not.be.null;
+        expect(shared.started).to.be.true;
+    });
+
+    it('should add and remove listener', function ()
+    {
+        const listener = sinon.spy();
+        const length = this.length();
+
+        shared.add(listener);
+
+        expect(this.length()).to.equal(length + 1);
+
+        shared.remove(listener);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should update a listener', function ()
+    {
+        const listener = sinon.spy();
+
+        shared.add(listener);
+        shared.update();
+
+        expect(listener.calledOnce).to.be.true;
+
+        shared.remove(listener);
+        shared.update();
+
+        expect(listener.calledOnce).to.be.true;
+    });
+
+    it('should update a listener twice and remove once', function ()
+    {
+        const listener = sinon.spy();
+        const length = this.length();
+
+        shared.add(listener).add(listener);
+        shared.update();
+
+        expect(listener.calledTwice).to.be.true;
+        expect(this.length()).to.equal(length + 2);
+
+        shared.remove(listener);
+        shared.update();
+
+        expect(listener.calledTwice).to.be.true;
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should respect priority order', function ()
+    {
+        const length = this.length();
+        const listener1 = sinon.spy();
+        const listener2 = sinon.spy();
+        const listener3 = sinon.spy();
+        const listener4 = sinon.spy();
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.LOW)
+            .add(listener4, null, PIXI.UPDATE_PRIORITY.INTERACTION)
+            .add(listener3, null, PIXI.UPDATE_PRIORITY.HIGH)
+            .add(listener2, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 4);
+
+        sinon.assert.callOrder(listener4, listener3, listener2, listener1);
+
+        shared.remove(listener1)
+            .remove(listener2)
+            .remove(listener3)
+            .remove(listener4);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should auto-remove once listeners', function ()
+    {
+        const length = this.length();
+        const listener = sinon.spy();
+
+        shared.addOnce(listener);
+
+        shared.update();
+
+        expect(listener.calledOnce).to.be.true;
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should call inserted item with a lower priority', function ()
+    {
+        const length = this.length();
+        const lowListener = sinon.spy();
+        const highListener = sinon.spy();
+        const mainListener = sinon.spy(() =>
+        {
+            shared.add(highListener, null, PIXI.UPDATE_PRIORITY.HIGH);
+            shared.add(lowListener, null, PIXI.UPDATE_PRIORITY.LOW);
+        });
+
+        shared.add(mainListener, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 3);
+
+        expect(mainListener.calledOnce).to.be.true;
+        expect(lowListener.calledOnce).to.be.true;
+        expect(highListener.calledOnce).to.be.false;
+
+        shared.remove(mainListener)
+            .remove(highListener)
+            .remove(lowListener);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should remove emit low-priority item during emit', function ()
+    {
+        const length = this.length();
+        const listener2 = sinon.spy();
+        const listener1 = sinon.spy(() =>
+        {
+            shared.add(listener2, null, PIXI.UPDATE_PRIORITY.LOW);
+        });
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 2);
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener1.calledOnce).to.be.true;
+
+        shared.remove(listener1)
+            .remove(listener2);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should remove itself on emit after adding new item', function ()
+    {
+        const length = this.length();
+        const listener2 = sinon.spy();
+        const listener1 = sinon.spy(() =>
+        {
+            shared.add(listener2, null, PIXI.UPDATE_PRIORITY.LOW);
+            shared.remove(listener1);
+
+            // listener is removed right away
+            expect(this.length()).to.equal(length + 1);
+        });
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 1);
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener1.calledOnce).to.be.true;
+
+        shared.remove(listener2);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should remove itself before, still calling new item', function ()
+    {
+        const length = this.length();
+        const listener2 = sinon.spy();
+        const listener1 = sinon.spy(() =>
+        {
+            shared.remove(listener1);
+            shared.add(listener2, null, PIXI.UPDATE_PRIORITY.LOW);
+
+            // listener is removed right away
+            expect(this.length()).to.equal(length + 1);
+        });
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 1);
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener1.calledOnce).to.be.true;
+
+        shared.remove(listener2);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should remove items before and after current priority', function ()
+    {
+        const length = this.length();
+        const listener2 = sinon.spy();
+        const listener3 = sinon.spy();
+        const listener4 = sinon.spy();
+
+        shared.add(listener2, null, PIXI.UPDATE_PRIORITY.HIGH);
+        shared.add(listener3, null, PIXI.UPDATE_PRIORITY.LOW);
+        shared.add(listener4, null, PIXI.UPDATE_PRIORITY.LOW);
+
+        const listener1 = sinon.spy(() =>
+        {
+            shared.remove(listener2)
+                .remove(listener3);
+
+            // listener is removed right away
+            expect(this.length()).to.equal(length + 2);
+        });
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 2);
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener3.calledOnce).to.be.false;
+        expect(listener4.calledOnce).to.be.true;
+        expect(listener1.calledOnce).to.be.true;
+
+        shared.update();
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener3.calledOnce).to.be.false;
+        expect(listener4.calledTwice).to.be.true;
+        expect(listener1.calledTwice).to.be.true;
+
+        shared.remove(listener1)
+            .remove(listener4);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should destroy on listener', function (done)
+    {
+        const ticker = new Ticker();
+        const listener2 = sinon.spy();
+        const listener = sinon.spy(() =>
+        {
+            ticker.destroy();
+            setTimeout(() =>
+            {
+                expect(listener2.called).to.be.false;
+                expect(listener.calledOnce).to.be.true;
+                done();
+            }, 0);
+        });
+
+        ticker.add(listener);
+        ticker.add(listener2, null, PIXI.UPDATE_PRIORITY.LOW);
+        ticker.start();
+    });
+});
diff --git a/test/core/TilingSprite.js b/test/core/TilingSprite.js
index 2e449a7..7694792 100644
--- a/test/core/TilingSprite.js
+++ b/test/core/TilingSprite.js
@@ -24,4 +24,25 @@
             expect(bounds.height).to.equal(600);
         });
     });
+
+    it('checks if tilingSprite contains a point', function ()
+    {
+        const texture = new PIXI.Texture(new PIXI.BaseTexture());
+        const tilingSprite = new PIXI.extras.TilingSprite(texture, 200, 300);
+
+        expect(tilingSprite.containsPoint(new PIXI.Point(1, 1))).to.equal(true);
+        expect(tilingSprite.containsPoint(new PIXI.Point(300, 400))).to.equal(false);
+    });
+
+    it('gets and sets height and width correctly', function ()
+    {
+        const texture = new PIXI.Texture(new PIXI.BaseTexture());
+        const tilingSprite = new PIXI.extras.TilingSprite(texture, 200, 300);
+
+        tilingSprite.width = 400;
+        tilingSprite.height = 600;
+
+        expect(tilingSprite.width).to.equal(400);
+        expect(tilingSprite.height).to.equal(600);
+    });
 });
diff --git a/test/core/index.js b/test/core/index.js
index 8530131..58dc30e 100755
--- a/test/core/index.js
+++ b/test/core/index.js
@@ -17,6 +17,7 @@
 require('./util');
 require('./Plane');
 require('./Point');
+require('./Polygon');
 require('./ObservablePoint');
 require('./Matrix');
 require('./Rectangle');
@@ -27,4 +28,5 @@
 require('./WebGLRenderer');
 require('./Ellipse');
 require('./Texture');
+require('./Ticker');
 require('./filters');

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line
diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 02d53a3..449f8cc 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -30,7 +30,10 @@
         /**
          * When passed to an event handler, this will be the original DOM Event that was captured
          *
-         * @member {Event}
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+         * @member {MouseEvent|TouchEvent|PointerEvent}
          */
         this.originalEvent = null;
     }
diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 8baf13a..2d75c7c 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -13,6 +13,14 @@
 
 const MOUSE_POINTER_ID = 'MOUSE';
 
+// helpers for hitTest() - only used inside hitTest()
+const hitTestEvent = {
+    target: null,
+    data: {
+        global: null,
+    },
+};
+
 /**
  * The interaction manager deals with mouse, touch and pointer events. Any DisplayObject can be interactive
  * if its interactive parameter is set to true
@@ -245,67 +253,60 @@
         this.setTargetElement(this.renderer.view, this.renderer.resolution);
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed on the display
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display
          * object.
          *
-         * @event mousedown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * on the display object.
          *
-         * @event rightdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released over the display
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
          * object.
          *
-         * @event mouseup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is released
          * over the display object.
          *
-         * @event rightup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed and released on
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
          * the display object.
          *
-         * @event click
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * and released on the display object.
          *
-         * @event rightclick
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released outside the
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
          * display object that initially registered a
          * [mousedown]{@link PIXI.interaction.InteractionManager#event:mousedown}.
          *
-         * @event mouseupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
@@ -313,146 +314,362 @@
          * outside the display object that initially registered a
          * [rightdown]{@link PIXI.interaction.InteractionManager#event:rightdown}.
          *
-         * @event rightupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved while over the display object
          *
-         * @event mousemove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved onto the display object
          *
-         * @event mouseover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved off the display object
          *
-         * @event mouseout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed on the display object.
          *
-         * @event pointerdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released over the display object.
          *
-         * @event pointerup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a pointer event
          *
-         * @event pointercancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed and released on the display object.
          *
-         * @event pointertap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released outside the display object that initially
          * registered a [pointerdown]{@link PIXI.interaction.InteractionManager#event:pointerdown}.
          *
-         * @event pointerupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved while over the display object
          *
-         * @event pointermove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved onto the display object
          *
-         * @event pointerover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved off the display object
          *
-         * @event pointerout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed on the display object.
          *
-         * @event touchstart
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed from the display object.
          *
-         * @event touchend
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a touch
          *
-         * @event touchcancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed and removed from the display object.
          *
-         * @event tap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed outside of the display object that initially
          * registered a [touchstart]{@link PIXI.interaction.InteractionManager#event:touchstart}.
          *
-         * @event touchendoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is moved along the display object.
          *
-         * @event touchmove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display.
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * over the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
+         * the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * and released on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
+         * display object that initially registered a
+         * [mousedown]{@link PIXI.DisplayObject#event:mousedown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * outside the display object that initially registered a
+         * [rightdown]{@link PIXI.DisplayObject#event:rightdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a pointer event.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed and released on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released outside the display object that initially
+         * registered a [pointerdown]{@link PIXI.DisplayObject#event:pointerdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a touch.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed and removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed outside of the display object that initially
+         * registered a [touchstart]{@link PIXI.DisplayObject#event:touchstart}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is moved along the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+    }
+
+    /**
+     * Hit tests a point against the display tree, returning the first interactive object that is hit.
+     *
+     * @param {PIXI.Point} globalPoint - A point to hit test with, in global space.
+     * @param {PIXI.Container} [root] - The root display object to start from. If omitted, defaults
+     * to the last rendered root of the associated renderer.
+     * @return {PIXI.DisplayObject} The hit display object, if any.
+     */
+    hitTest(globalPoint, root)
+    {
+        // clear the target for our hit test
+        hitTestEvent.target = null;
+        // assign the global point
+        hitTestEvent.data.global = globalPoint;
+        // ensure safety of the root
+        if (!root)
+        {
+            root = this.renderer._lastObjectRendered;
+        }
+        // run the hit test
+        this.processInteractive(hitTestEvent, root, null, true);
+        // return our found object - it'll be null if we didn't hit anything
+
+        return hitTestEvent.target;
     }
 
     /**
@@ -487,7 +704,7 @@
             return;
         }
 
-        core.ticker.shared.add(this.update, this);
+        core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.INTERACTION);
 
         if (window.navigator.msPointerEnabled)
         {
@@ -804,8 +1021,6 @@
             }
         }
 
-        let keepHitTestingAfterChildren = hitTest;
-
         // ** FREE TIP **! If an object is not interactive or has no buttons in it
         // (such as a game scene!) set interactiveChildren to false for that displayObject.
         // This will allow pixi to completely ignore and bypass checking the displayObjects children.
@@ -818,7 +1033,9 @@
                 const child = children[i];
 
                 // time to get recursive.. if this function will return if something is hit..
-                if (this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent))
+                const childHit = this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent);
+
+                if (childHit)
                 {
                     // its a good idea to check if a child has lost its parent.
                     // this means it has been removed whilst looping so its best
@@ -827,8 +1044,6 @@
                         continue;
                     }
 
-                    hit = true;
-
                     // we no longer need to hit test any more objects in this container as we we
                     // now know the parent has been hit
                     interactiveParent = false;
@@ -838,36 +1053,41 @@
                     // This means we no longer need to hit test anything else. We still need to run
                     // through all objects, but we don't need to perform any hit tests.
 
-                    keepHitTestingAfterChildren = false;
-
-                    if (child.interactive)
+                    if (childHit)
                     {
-                        hitTest = false;
+                        if (interactionEvent.target)
+                        {
+                            hitTest = false;
+                        }
+                        hit = true;
                     }
-
-                    // we can break now as we have hit an object.
                 }
             }
         }
 
-        hitTest = keepHitTestingAfterChildren;
-
         // no point running this if the item is not interactive or does not have an interactive parent.
         if (interactive)
         {
             // if we are hit testing (as in we have no hit any objects yet)
             // We also don't need to worry about hit testing if once of the displayObjects children
-            // has already been hit!
-            if (hitTest && !hit)
+            // has already been hit - but only if it was interactive, otherwise we need to keep
+            // looking for an interactive child, just in case we hit one
+            if (hitTest && !interactionEvent.target)
             {
                 if (displayObject.hitArea)
                 {
                     displayObject.worldTransform.applyInverse(point, this._tempPoint);
-                    hit = displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y);
+                    if (displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y))
+                    {
+                        hit = true;
+                    }
                 }
                 else if (displayObject.containsPoint)
                 {
-                    hit = displayObject.containsPoint(point);
+                    if (displayObject.containsPoint(point))
+                    {
+                        hit = true;
+                    }
                 }
             }
 
@@ -878,7 +1098,10 @@
                     interactionEvent.target = displayObject;
                 }
 
-                func(interactionEvent, displayObject, hit);
+                if (func)
+                {
+                    func(interactionEvent, displayObject, !!hit);
+                }
             }
         }
 
@@ -914,7 +1137,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -998,7 +1221,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1098,7 +1321,7 @@
 
             const test = isRightButton ? flags.RIGHT_DOWN : flags.LEFT_DOWN;
 
-            const isDown = trackingData !== undefined && (trackingData.flags | test);
+            const isDown = trackingData !== undefined && (trackingData.flags & test);
 
             if (hit)
             {
@@ -1118,11 +1341,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }
@@ -1180,7 +1403,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1255,7 +1478,7 @@
             this.setCursorMode(null);
         }
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1268,6 +1491,12 @@
         {
             this.emit('mouseout', interactionEvent);
         }
+        else
+        {
+            // we can get touchleave events after touchend, so we want to make sure we don't
+            // introduce memory leaks
+            this.releaseInteractionDataForPointerId(interactionData.identifier);
+        }
     }
 
     /**
@@ -1344,7 +1573,7 @@
         // Only mouse and pointer can call onPointerOver, so events will always be length 1
         const event = events[0];
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1366,12 +1595,14 @@
      * Get InteractionData for a given pointerId. Store that data as well
      *
      * @private
-     * @param {number} pointerId - Identifier from a pointer event
+     * @param {PointerEvent} event - Normalized pointer event, output from normalizeToPointerData
      * @return {InteractionData} - Interaction data for the given pointer identifier
      */
-    getInteractionDataForPointerId(pointerId)
+    getInteractionDataForPointerId(event)
     {
-        if (pointerId === MOUSE_POINTER_ID)
+        const pointerId = event.pointerId;
+
+        if (pointerId === MOUSE_POINTER_ID || event.pointerType === 'mouse')
         {
             return this.mouse;
         }
diff --git a/src/interaction/InteractionTrackingData.js b/src/interaction/InteractionTrackingData.js
index 6a1f69e..8493b63 100644
--- a/src/interaction/InteractionTrackingData.js
+++ b/src/interaction/InteractionTrackingData.js
@@ -35,8 +35,10 @@
     }
 
     /**
+     * Unique pointer id of the event
+     *
      * @readonly
-     * @type {number} Unique pointer id of the event
+     * @member {number}
      */
     get pointerId()
     {
diff --git a/src/interaction/index.js b/src/interaction/index.js
index 56c5b09..72f7d71 100644
--- a/src/interaction/index.js
+++ b/src/interaction/index.js
@@ -1,4 +1,8 @@
 /**
+ * This namespace contains a renderer plugin for handling mouse, pointer, and touch events.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.interaction
  */
 export { default as InteractionData } from './InteractionData';
diff --git a/src/interaction/interactiveTarget.js b/src/interaction/interactiveTarget.js
index d252fba..cebac40 100644
--- a/src/interaction/interactiveTarget.js
+++ b/src/interaction/interactiveTarget.js
@@ -2,7 +2,7 @@
  * Default property values of interactive objects
  * Used by {@link PIXI.interaction.InteractionManager} to automatically give all DisplayObjects these properties
  *
- * @mixin
+ * @private
  * @name interactiveTarget
  * @memberof PIXI.interaction
  * @example
@@ -14,18 +14,28 @@
  *      );
  */
 export default {
+
     /**
-     * Determines if the displayObject be clicked/touched
+     * Enable interaction events for the DisplayObject. Touch, pointer and mouse
+     * events will not be emitted unless `interactive` is set to `true`.
      *
-     * @inner {boolean}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.on('tap', (event) => {
+     *    //handle event
+     * });
+     * @member {boolean}
+     * @memberof PIXI.DisplayObject#
      */
     interactive: false,
 
     /**
      * Determines if the children to the displayObject can be clicked/touched
-     * Setting this to false allows pixi to bypass a recursive hitTest function
+     * Setting this to false allows pixi to bypass a recursive `hitTest` function
      *
-     * @inner {boolean}
+     * @member {boolean}
+     * @memberof PIXI.Container#
      */
     interactiveChildren: true,
 
@@ -33,7 +43,12 @@
      * Interaction shape. Children will be hit first, then this shape will be checked.
      * Setting this will cause this shape to be checked in hit tests rather than the displayObject's bounds.
      *
-     * @inner {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.hitArea = new PIXI.Rectangle(0, 0, 100, 100);
+     * @member {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @memberof PIXI.DisplayObject#
      */
     hitArea: null,
 
@@ -41,8 +56,12 @@
      * If enabled, the mouse cursor use the pointer behavior when hovered over the displayObject if it is interactive
      * Setting this changes the 'cursor' property to `'pointer'`.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.buttonMode = true;
      * @member {boolean}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      */
     get buttonMode()
     {
@@ -64,9 +83,14 @@
      * This defines what cursor mode is used when the mouse cursor
      * is hovered over the displayObject.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.cursor = 'wait';
      * @see https://developer.mozilla.org/en/docs/Web/CSS/cursor
      *
-     * @inner {string}
+     * @member {string}
+     * @memberof PIXI.DisplayObject#
      */
     cursor: null,
 
@@ -74,7 +98,7 @@
      * Internal set of all active pointers, by identifier
      *
      * @member {Map<number, InteractionTrackingData>}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      * @private
      */
     get trackedPointers()
@@ -87,7 +111,8 @@
     /**
      * Map of all tracked pointers, by identifier. Use trackedPointers to access.
      *
-     * @private {Map<number, InteractionTrackingData>}
+     * @private
+     * @type {Map<number, InteractionTrackingData>}
      */
     _trackedPointers: undefined,
 };
diff --git a/src/loaders/index.js b/src/loaders/index.js
index 5189793..daa1fc4 100644
--- a/src/loaders/index.js
+++ b/src/loaders/index.js
@@ -1,9 +1,22 @@
+import Application from '../core/Application';
+import Loader from './loader';
+
 /**
+ * This namespace contains APIs which extends the {@link https://github.com/englercj/resource-loader resource-loader} module
+ * for loading assets, data, and other resources dynamically.
+ * @example
+ * const loader = new PIXI.loaders.Loader();
+ * loader.add('bunny', 'data/bunny.png')
+ *       .add('spaceship', 'assets/spritesheet.json');
+ * loader.load((loader, resources) => {
+ *    // resources.bunny
+ *    // resources.spaceship
+ * });
  * @namespace PIXI.loaders
  */
-export { default as Loader } from './loader';
+export { Loader };
 export { default as bitmapFontParser, parse as parseBitmapFontData } from './bitmapFontParser';
-export { default as spritesheetParser } from './spritesheetParser';
+export { default as spritesheetParser, getResourcePath } from './spritesheetParser';
 export { default as textureParser } from './textureParser';
 
 /**
@@ -13,3 +26,55 @@
  * @memberof PIXI.loaders
  */
 export { Resource } from 'resource-loader';
+
+/**
+ * A premade instance of the loader that can be used to load resources.
+ * @name shared
+ * @memberof PIXI.loaders
+ * @type {PIXI.loaders.Loader}
+ */
+const shared = new Loader();
+
+shared.destroy = () =>
+{
+    // protect destroying shared loader
+};
+
+export { shared };
+
+// Mixin the loader construction
+const AppPrototype = Application.prototype;
+
+AppPrototype._loader = null;
+
+/**
+ * Loader instance to help with asset loading.
+ * @name PIXI.Application#loader
+ * @type {PIXI.loaders.Loader}
+ */
+Object.defineProperty(AppPrototype, 'loader', {
+    get()
+    {
+        if (!this._loader)
+        {
+            const sharedLoader = this._options.sharedLoader;
+
+            this._loader = sharedLoader ? shared : new Loader();
+        }
+
+        return this._loader;
+    },
+});
+
+// Override the destroy function
+// making sure to destroy the current Loader
+AppPrototype._parentDestroy = AppPrototype.destroy;
+AppPrototype.destroy = function destroy()
+{
+    if (this._loader)
+    {
+        this._loader.destroy();
+        this._loader = null;
+    }
+    this._parentDestroy();
+};
diff --git a/src/loaders/loader.js b/src/loaders/loader.js
index 767a411..59b8000 100644
--- a/src/loaders/loader.js
+++ b/src/loaders/loader.js
@@ -90,6 +90,15 @@
     {
         Loader._pixiMiddleware.push(fn);
     }
+
+    /**
+     * Destroy the loader, removes references.
+     */
+    destroy()
+    {
+        this.removeAllListeners();
+        this.reset();
+    }
 }
 
 // Copy EE3 prototype (mixin)
diff --git a/src/loaders/spritesheetParser.js b/src/loaders/spritesheetParser.js
index e57dfb2..eda9584 100644
--- a/src/loaders/spritesheetParser.js
+++ b/src/loaders/spritesheetParser.js
@@ -1,12 +1,11 @@
 import { Resource } from 'resource-loader';
-import path from 'path';
+import url from 'url';
 import { Spritesheet } from '../core';
 
 export default function ()
 {
     return function spritesheetParser(resource, next)
     {
-        let resourcePath;
         const imageResourceName = `${resource.name}_image`;
 
         // skip if no data, its not json, it isn't spritesheet data, or the image resource already exists
@@ -28,15 +27,7 @@
             parentResource: resource,
         };
 
-        // Prepend url path unless the resource image is a data url
-        if (resource.isDataUrl)
-        {
-            resourcePath = resource.data.meta.image;
-        }
-        else
-        {
-            resourcePath = `${path.dirname(resource.url.replace(this.baseUrl, ''))}/${resource.data.meta.image}`;
-        }
+        const resourcePath = getResourcePath(resource, this.baseUrl);
 
         // load the image for this sheet
         this.add(imageResourceName, resourcePath, loadOptions, function onImageLoad(res)
@@ -56,3 +47,14 @@
         });
     };
 }
+
+export function getResourcePath(resource, baseUrl)
+{
+    // Prepend url path unless the resource image is a data url
+    if (resource.isDataUrl)
+    {
+        return resource.data.meta.image;
+    }
+
+    return url.resolve(resource.url.replace(baseUrl, ''), resource.data.meta.image);
+}
diff --git a/src/mesh/canvas/CanvasMeshRenderer.js b/src/mesh/canvas/CanvasMeshRenderer.js
index 297205f..f7899e1 100644
--- a/src/mesh/canvas/CanvasMeshRenderer.js
+++ b/src/mesh/canvas/CanvasMeshRenderer.js
@@ -134,12 +134,33 @@
         const textureWidth = base.width;
         const textureHeight = base.height;
 
-        const u0 = uvs[index0] * base.width;
-        const u1 = uvs[index1] * base.width;
-        const u2 = uvs[index2] * base.width;
-        const v0 = uvs[index0 + 1] * base.height;
-        const v1 = uvs[index1 + 1] * base.height;
-        const v2 = uvs[index2 + 1] * base.height;
+        let u0;
+        let u1;
+        let u2;
+        let v0;
+        let v1;
+        let v2;
+
+        if (mesh.uploadUvTransform)
+        {
+            const ut = mesh._uvTransform.mapCoord;
+
+            u0 = ((uvs[index0] * ut.a) + (uvs[index0 + 1] * ut.c) + ut.tx) * base.width;
+            u1 = ((uvs[index1] * ut.a) + (uvs[index1 + 1] * ut.c) + ut.tx) * base.width;
+            u2 = ((uvs[index2] * ut.a) + (uvs[index2 + 1] * ut.c) + ut.tx) * base.width;
+            v0 = ((uvs[index0] * ut.b) + (uvs[index0 + 1] * ut.d) + ut.ty) * base.height;
+            v1 = ((uvs[index1] * ut.b) + (uvs[index1 + 1] * ut.d) + ut.ty) * base.height;
+            v2 = ((uvs[index2] * ut.b) + (uvs[index2 + 1] * ut.d) + ut.ty) * base.height;
+        }
+        else
+        {
+            u0 = uvs[index0] * base.width;
+            u1 = uvs[index1] * base.width;
+            u2 = uvs[index2] * base.width;
+            v0 = uvs[index0 + 1] * base.height;
+            v1 = uvs[index1 + 1] * base.height;
+            v2 = uvs[index2 + 1] * base.height;
+        }
 
         let x0 = vertices[index0];
         let x1 = vertices[index1];
diff --git a/src/mesh/webgl/MeshRenderer.js b/src/mesh/webgl/MeshRenderer.js
index 78d24c3..ab99fcd 100644
--- a/src/mesh/webgl/MeshRenderer.js
+++ b/src/mesh/webgl/MeshRenderer.js
@@ -2,6 +2,8 @@
 
 const byteSizeMap = { 5126: 4, 5123: 2, 5121: 1 };
 
+const matrixIdentity = core.Matrix.IDENTITY;
+
 /**
  * WebGL renderer plugin for tiling sprites
  *
@@ -64,6 +66,7 @@
         mesh.geometry.glVertexArrayObjects[this.CONTEXT_UID].draw(mesh.drawMode, mesh.size, mesh.start, mesh.geometry.instanceCount);
     }
 
+
     /**
      * draws mesh
      * @param {PIXI.mesh.RawMesh} mesh mesh instance
diff --git a/src/mesh/webgl/mesh.vert b/src/mesh/webgl/mesh.vert
index a337aef..acc096c 100644
--- a/src/mesh/webgl/mesh.vert
+++ b/src/mesh/webgl/mesh.vert
@@ -1,8 +1,9 @@
 attribute vec2 aVertexPosition;
 attribute vec2 aTextureCoord;
 
-uniform mat3 translationMatrix;
 uniform mat3 projectionMatrix;
+uniform mat3 translationMatrix;
+uniform mat3 uTransform;
 
 varying vec2 vTextureCoord;
 
@@ -10,5 +11,5 @@
 {
     gl_Position = vec4((projectionMatrix * translationMatrix * vec3(aVertexPosition, 1.0)).xy, 0.0, 1.0);
 
-    vTextureCoord = aTextureCoord;
+    vTextureCoord = (uTransform * vec3(aTextureCoord, 1.0)).xy;
 }
diff --git a/src/particles/ParticleContainer.js b/src/particles/ParticleContainer.js
index 67796cf..63f7791 100644
--- a/src/particles/ParticleContainer.js
+++ b/src/particles/ParticleContainer.js
@@ -313,10 +313,10 @@
                 frame.y * resolution,
                 frame.width * resolution,
                 frame.height * resolution,
-                positionX * resolution,
-                positionY * resolution,
-                finalWidth * resolution,
-                finalHeight * resolution
+                positionX * renderer.resolution,
+                positionY * renderer.resolution,
+                finalWidth * renderer.resolution,
+                finalHeight * renderer.resolution
             );
         }
     }
diff --git a/src/prepare/BasePrepare.js b/src/prepare/BasePrepare.js
index 09eb5e5..e45c4dc 100644
--- a/src/prepare/BasePrepare.js
+++ b/src/prepare/BasePrepare.js
@@ -18,6 +18,18 @@
  * basic queuing functionality and is extended by {@link PIXI.prepare.WebGLPrepare} and {@link PIXI.prepare.CanvasPrepare}
  * to provide preparation capabilities specific to their respective renderers.
  *
+ * @example
+ * // Create a sprite
+ * const sprite = new PIXI.Sprite.fromImage('something.png');
+ *
+ * // Load object into GPU
+ * app.renderer.plugins.prepare.upload(sprite, () => {
+ *
+ *     //Texture(s) has been uploaded to GPU
+ *     app.stage.addChild(sprite);
+ *
+ * })
+ *
  * @abstract
  * @class
  * @memberof PIXI.prepare
@@ -100,8 +112,16 @@
             this.prepareItems();
         };
 
-        this.register(findText, drawText);
-        this.register(findTextStyle, calculateTextStyle);
+        // hooks to find the correct texture
+        this.registerFindHook(findText);
+        this.registerFindHook(findTextStyle);
+        this.registerFindHook(findMultipleBaseTextures);
+        this.registerFindHook(findBaseTexture);
+        this.registerFindHook(findTexture);
+
+        // upload hooks
+        this.registerUploadHook(drawText);
+        this.registerUploadHook(calculateTextStyle);
     }
 
     /**
@@ -138,7 +158,7 @@
             if (!this.ticking)
             {
                 this.ticking = true;
-                SharedTicker.addOnce(this.tick, this);
+                SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
             }
         }
         else if (done)
@@ -172,13 +192,16 @@
             const item = this.queue[0];
             let uploaded = false;
 
-            for (let i = 0, len = this.uploadHooks.length; i < len; i++)
+            if (item && !item._destroyed)
             {
-                if (this.uploadHooks[i](this.uploadHookHelper, item))
+                for (let i = 0, len = this.uploadHooks.length; i < len; i++)
                 {
-                    this.queue.shift();
-                    uploaded = true;
-                    break;
+                    if (this.uploadHooks[i](this.uploadHookHelper, item))
+                    {
+                        this.queue.shift();
+                        uploaded = true;
+                        break;
+                    }
                 }
             }
 
@@ -205,26 +228,36 @@
         else
         {
             // if we are not finished, on the next rAF do this again
-            SharedTicker.addOnce(this.tick, this);
+            SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
         }
     }
 
     /**
-     * Adds hooks for finding and uploading items.
+     * Adds hooks for finding items.
      *
-     * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
-              function must return `true` if it was able to add item to the queue.
-     * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
-     *        function must return `true` if it was able to handle upload of item.
-     * @return {PIXI.CanvasPrepare} Instance of plugin for chaining.
+     * @param {Function} addHook - Function call that takes two parameters: `item:*, queue:Array`
+     *          function must return `true` if it was able to add item to the queue.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
      */
-    register(addHook, uploadHook)
+    registerFindHook(addHook)
     {
         if (addHook)
         {
             this.addHooks.push(addHook);
         }
 
+        return this;
+    }
+
+    /**
+     * Adds hooks for uploading items.
+     *
+     * @param {Function} uploadHook - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+     *          function must return `true` if it was able to handle upload of item.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+     */
+    registerUploadHook(uploadHook)
+    {
         if (uploadHook)
         {
             this.uploadHooks.push(uploadHook);
@@ -287,6 +320,88 @@
 }
 
 /**
+ * Built-in hook to find multiple textures from objects like AnimatedSprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findMultipleBaseTextures(item, queue)
+{
+    let result = false;
+
+    // Objects with mutliple textures
+    if (item && item._textures && item._textures.length)
+    {
+        for (let i = 0; i < item._textures.length; i++)
+        {
+            if (item._textures[i] instanceof core.Texture)
+            {
+                const baseTexture = item._textures[i].baseTexture;
+
+                if (queue.indexOf(baseTexture) === -1)
+                {
+                    queue.push(baseTexture);
+                    result = true;
+                }
+            }
+        }
+    }
+
+    return result;
+}
+
+/**
+ * Built-in hook to find BaseTextures from Sprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findBaseTexture(item, queue)
+{
+    // Objects with textures, like Sprites/Text
+    if (item instanceof core.BaseTexture)
+    {
+        if (queue.indexOf(item) === -1)
+        {
+            queue.push(item);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
+ * Built-in hook to find textures from objects.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findTexture(item, queue)
+{
+    if (item._texture && item._texture instanceof core.Texture)
+    {
+        const texture = item._texture.baseTexture;
+
+        if (queue.indexOf(texture) === -1)
+        {
+            queue.push(texture);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
  * Built-in hook to draw PIXI.Text to its texture.
  *
  * @private
diff --git a/src/prepare/canvas/CanvasPrepare.js b/src/prepare/canvas/CanvasPrepare.js
index 0224bb5..09c207a 100644
--- a/src/prepare/canvas/CanvasPrepare.js
+++ b/src/prepare/canvas/CanvasPrepare.js
@@ -43,7 +43,7 @@
         this.ctx = this.canvas.getContext('2d');
 
         // Add textures to upload
-        this.register(findBaseTextures, uploadBaseTextures);
+        this.registerUploadHook(uploadBaseTextures);
     }
 
     /**
@@ -89,39 +89,4 @@
     return false;
 }
 
-/**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item  -Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
 core.CanvasRenderer.registerPlugin('prepare', CanvasPrepare);
diff --git a/src/prepare/index.js b/src/prepare/index.js
index f559c45..e7491ec 100644
--- a/src/prepare/index.js
+++ b/src/prepare/index.js
@@ -1,4 +1,29 @@
 /**
+ * The prepare namespace provides renderer-specific plugins for pre-rendering DisplayObjects. These plugins are useful for
+ * asynchronously preparing assets, textures, graphics waiting to be displayed.
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ * document.body.appendChild(app.view);
+ *
+ * // Don't start rendering right away
+ * app.stop();
+ *
+ * // create a display object
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add to the stage
+ * app.stage.addChild(rect);
+ *
+ * // Don't start rendering until the graphic is uploaded to the GPU
+ * app.renderer.plugins.prepare.upload(app.stage, () => {
+ *     app.start();
+ * });
  * @namespace PIXI.prepare
  */
 export { default as webgl } from './webgl/WebGLPrepare';
diff --git a/src/prepare/webgl/WebGLPrepare.js b/src/prepare/webgl/WebGLPrepare.js
index eb7023f..9df3c3f 100644
--- a/src/prepare/webgl/WebGLPrepare.js
+++ b/src/prepare/webgl/WebGLPrepare.js
@@ -22,12 +22,11 @@
         this.uploadHookHelper = this.renderer;
 
         // Add textures and graphics to upload
-        this.register(findBaseTextures, uploadBaseTextures)
-            .register(findGraphics, uploadGraphics);
+        this.registerFindHook(findGraphics);
+        this.registerUploadHook(uploadBaseTextures);
+        this.registerUploadHook(uploadGraphics);
     }
-
 }
-
 /**
  * Built-in hook to upload PIXI.Texture objects to the GPU.
  *
@@ -80,41 +79,6 @@
 }
 
 /**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item - Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
-/**
  * Built-in hook to find graphics.
  *
  * @private
diff --git a/test/.eslintrc.json b/test/.eslintrc.json
index e03220d..ac12110 100644
--- a/test/.eslintrc.json
+++ b/test/.eslintrc.json
@@ -12,7 +12,8 @@
         "sinon": false,
         "expect": false,
         "assert": false,
-        "PIXI": false
+        "PIXI": false,
+        "PointerEvent": true
     },
     "rules": {
         "func-names": 0,
diff --git a/test/core/BaseTexture.js b/test/core/BaseTexture.js
index 8b93478..bb65068 100644
--- a/test/core/BaseTexture.js
+++ b/test/core/BaseTexture.js
@@ -14,4 +14,28 @@
             expect(baseTexture.imageType).to.be.equals('png');
         });
     });
+
+    it('should remove Canvas BaseTexture from cache on destroy', function ()
+    {
+        const canvas = document.createElement('canvas');
+        const texture = PIXI.BaseTexture.fromCanvas(canvas);
+        const _pixiId = canvas._pixiId;
+
+        expect(PIXI.utils.BaseTextureCache[_pixiId]).to.equal(texture);
+        texture.destroy();
+        expect(PIXI.utils.BaseTextureCache[_pixiId]).to.equal(undefined);
+    });
+
+    it('should remove Image BaseTexture from cache on destroy', function ()
+    {
+        const URL = 'foo.png';
+        const NAME = 'bar';
+        const image = new Image();
+
+        const texture = PIXI.Texture.fromLoader(image, URL, NAME);
+
+        expect(PIXI.utils.BaseTextureCache[NAME]).to.equal(texture.baseTexture);
+        texture.destroy(true);
+        expect(PIXI.utils.BaseTextureCache[NAME]).to.equal(undefined);
+    });
 });
diff --git a/test/core/Circle.js b/test/core/Circle.js
index 183f98f..f621992 100644
--- a/test/core/Circle.js
+++ b/test/core/Circle.js
@@ -53,6 +53,10 @@
         expect(circ1.contains(10, 16)).to.be.false;
         expect(circ1.contains(11, 15)).to.be.false;
         expect(circ1.contains(0, 0)).to.be.false;
+
+        const circ2 = new PIXI.Circle(10, 10, 0);
+
+        expect(circ2.contains(10, 10)).to.be.false;
     });
 
     it('should return framing rectangle', function ()
diff --git a/test/core/Container.js b/test/core/Container.js
index d11be33..cefde54 100644
--- a/test/core/Container.js
+++ b/test/core/Container.js
@@ -2,30 +2,36 @@
 
 function testAddChild(fn)
 {
-    fn(function (container, obj)
+    return function ()
     {
-        container.addChild(obj);
-    });
-    fn(function (container, obj)
-    {
-        container.addChildAt(obj);
-    });
+        fn(function (container, obj)
+        {
+            container.addChild(obj);
+        });
+        fn(function (container, obj)
+        {
+            container.addChildAt(obj);
+        });
+    };
 }
 
 function testRemoveChild(fn)
 {
-    fn(function (container, obj)
+    return function ()
     {
-        container.removeChild(obj);
-    });
-    fn(function (container, obj)
-    {
-        container.removeChildAt(container.children.indexOf(obj));
-    });
-    fn(function (container, obj)
-    {
-        container.removeChildren(container.children.indexOf(obj), container.children.indexOf(obj) + 1);
-    });
+        fn(function (container, obj)
+        {
+            container.removeChild(obj);
+        });
+        fn(function (container, obj)
+        {
+            container.removeChildAt(container.children.indexOf(obj));
+        });
+        fn(function (container, obj)
+        {
+            container.removeChildren(container.children.indexOf(obj), container.children.indexOf(obj) + 1);
+        });
+    };
 }
 
 describe('PIXI.Container', function ()
diff --git a/test/core/Ellipse.js b/test/core/Ellipse.js
index f2e8234..3f47442 100644
--- a/test/core/Ellipse.js
+++ b/test/core/Ellipse.js
@@ -56,6 +56,10 @@
         expect(ellipse1.contains(10, 16)).to.be.false;
         expect(ellipse1.contains(11, 15)).to.be.false;
         expect(ellipse1.contains(0, 0)).to.be.false;
+
+        const ellipse2 = new PIXI.Ellipse(10, 10, 0, 0);
+
+        expect(ellipse2.contains(10, 10)).to.be.false;
     });
 
     it('should return framing rectangle', function ()
diff --git a/test/core/Matrix.js b/test/core/Matrix.js
index 9d2694b..76bd57c 100644
--- a/test/core/Matrix.js
+++ b/test/core/Matrix.js
@@ -107,10 +107,60 @@
         expect(m1.ty).to.equal(m2.ty);
     });
 
+    it('should prepend matrix', function ()
+    {
+        const m1 = new PIXI.Matrix();
+        const m2 = new PIXI.Matrix();
+
+        m2.set(2, 3, 4, 5, 100, 200);
+        m1.prepend(m2);
+
+        expect(m1.a).to.equal(m2.a);
+        expect(m1.b).to.equal(m2.b);
+        expect(m1.c).to.equal(m2.c);
+        expect(m1.d).to.equal(m2.d);
+        expect(m1.tx).to.equal(m2.tx);
+        expect(m1.ty).to.equal(m2.ty);
+
+        const m3 = new PIXI.Matrix();
+        const m4 = new PIXI.Matrix();
+
+        m3.prepend(m4);
+
+        expect(m3.a).to.equal(m4.a);
+        expect(m3.b).to.equal(m4.b);
+        expect(m3.c).to.equal(m4.c);
+        expect(m3.d).to.equal(m4.d);
+        expect(m3.tx).to.equal(m4.tx);
+        expect(m3.ty).to.equal(m4.ty);
+    });
+
     it('should get IDENTITY and TEMP_MATRIX', function ()
     {
         expect(PIXI.Matrix.IDENTITY instanceof PIXI.Matrix).to.be.true;
         expect(PIXI.Matrix.TEMP_MATRIX instanceof PIXI.Matrix).to.be.true;
     });
-});
 
+    it('should reset matrix to default when identity() is called', function ()
+    {
+        const matrix = new PIXI.Matrix();
+
+        matrix.set(2, 3, 4, 5, 100, 200);
+
+        expect(matrix.a).to.equal(2);
+        expect(matrix.b).to.equal(3);
+        expect(matrix.c).to.equal(4);
+        expect(matrix.d).to.equal(5);
+        expect(matrix.tx).to.equal(100);
+        expect(matrix.ty).to.equal(200);
+
+        matrix.identity();
+
+        expect(matrix.a).to.equal(1);
+        expect(matrix.b).to.equal(0);
+        expect(matrix.c).to.equal(0);
+        expect(matrix.d).to.equal(1);
+        expect(matrix.tx).to.equal(0);
+        expect(matrix.ty).to.equal(0);
+    });
+});
diff --git a/test/core/Spritesheet.js b/test/core/Spritesheet.js
index 283adf5..7601a0c 100644
--- a/test/core/Spritesheet.js
+++ b/test/core/Spritesheet.js
@@ -18,6 +18,7 @@
                 expect(textures[id]).to.be.an.instanceof(PIXI.Texture);
                 expect(textures[id].width).to.equal(spritesheet.data.frames[id].frame.w / spritesheet.resolution);
                 expect(textures[id].height).to.equal(spritesheet.data.frames[id].frame.h / spritesheet.resolution);
+                expect(textures[id].textureCacheId).to.equal(id);
                 spritesheet.destroy(true);
                 expect(spritesheet.textures).to.be.null;
                 expect(spritesheet.baseTexture).to.be.null;
diff --git a/test/core/Texture.js b/test/core/Texture.js
index 8c4ef98..241ec3e 100644
--- a/test/core/Texture.js
+++ b/test/core/Texture.js
@@ -16,4 +16,20 @@
         expect(PIXI.utils.TextureCache[URL]).to.equal(texture);
         expect(PIXI.utils.BaseTextureCache[URL]).to.equal(texture.baseTexture);
     });
+
+    it('should remove Texture from cache on destroy', function ()
+    {
+        const NAME = 'foo';
+        const NAME2 = 'bar';
+        const texture = new PIXI.Texture(new PIXI.BaseTexture());
+
+        PIXI.Texture.addTextureToCache(texture, NAME);
+        PIXI.Texture.addTextureToCache(texture, NAME2);
+        expect(texture.textureCacheId).to.equal(NAME);
+        expect(PIXI.utils.TextureCache[NAME]).to.equal(texture);
+        expect(PIXI.utils.TextureCache[NAME2]).to.equal(texture);
+        texture.destroy();
+        expect(PIXI.utils.TextureCache[NAME]).to.equal(undefined);
+        expect(PIXI.utils.TextureCache[NAME2]).to.equal(undefined);
+    });
 });
diff --git a/test/core/Ticker.js b/test/core/Ticker.js
new file mode 100644
index 0000000..188770f
--- /dev/null
+++ b/test/core/Ticker.js
@@ -0,0 +1,322 @@
+'use strict';
+
+const Ticker = PIXI.ticker.Ticker;
+const shared = PIXI.ticker.shared;
+
+describe('PIXI.ticker.Ticker', function ()
+{
+    before(function ()
+    {
+        this.length = (ticker) =>
+        {
+            ticker = ticker || shared;
+
+            if (!ticker._head || !ticker._head.next)
+            {
+                return 0;
+            }
+
+            let listener = ticker._head.next;
+            let i = 0;
+
+            while (listener)
+            {
+                listener = listener.next;
+                i++;
+            }
+
+            return i;
+        };
+    });
+
+    it('should be available', function ()
+    {
+        expect(Ticker).to.be.a.function;
+        expect(shared).to.be.an.instanceof(Ticker);
+    });
+
+    it('should create a new ticker and destroy it', function ()
+    {
+        const ticker = new Ticker();
+
+        ticker.start();
+
+        const listener = sinon.spy();
+
+        expect(this.length(ticker)).to.equal(0);
+
+        ticker.add(listener);
+
+        expect(this.length(ticker)).to.equal(1);
+
+        ticker.destroy();
+
+        expect(ticker._head).to.be.null;
+        expect(ticker.started).to.be.false;
+        expect(this.length(ticker)).to.equal(0);
+    });
+
+    it('should protect destroying shared ticker', function ()
+    {
+        shared.destroy();
+        expect(shared._head).to.not.be.null;
+        expect(shared.started).to.be.true;
+    });
+
+    it('should add and remove listener', function ()
+    {
+        const listener = sinon.spy();
+        const length = this.length();
+
+        shared.add(listener);
+
+        expect(this.length()).to.equal(length + 1);
+
+        shared.remove(listener);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should update a listener', function ()
+    {
+        const listener = sinon.spy();
+
+        shared.add(listener);
+        shared.update();
+
+        expect(listener.calledOnce).to.be.true;
+
+        shared.remove(listener);
+        shared.update();
+
+        expect(listener.calledOnce).to.be.true;
+    });
+
+    it('should update a listener twice and remove once', function ()
+    {
+        const listener = sinon.spy();
+        const length = this.length();
+
+        shared.add(listener).add(listener);
+        shared.update();
+
+        expect(listener.calledTwice).to.be.true;
+        expect(this.length()).to.equal(length + 2);
+
+        shared.remove(listener);
+        shared.update();
+
+        expect(listener.calledTwice).to.be.true;
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should respect priority order', function ()
+    {
+        const length = this.length();
+        const listener1 = sinon.spy();
+        const listener2 = sinon.spy();
+        const listener3 = sinon.spy();
+        const listener4 = sinon.spy();
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.LOW)
+            .add(listener4, null, PIXI.UPDATE_PRIORITY.INTERACTION)
+            .add(listener3, null, PIXI.UPDATE_PRIORITY.HIGH)
+            .add(listener2, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 4);
+
+        sinon.assert.callOrder(listener4, listener3, listener2, listener1);
+
+        shared.remove(listener1)
+            .remove(listener2)
+            .remove(listener3)
+            .remove(listener4);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should auto-remove once listeners', function ()
+    {
+        const length = this.length();
+        const listener = sinon.spy();
+
+        shared.addOnce(listener);
+
+        shared.update();
+
+        expect(listener.calledOnce).to.be.true;
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should call inserted item with a lower priority', function ()
+    {
+        const length = this.length();
+        const lowListener = sinon.spy();
+        const highListener = sinon.spy();
+        const mainListener = sinon.spy(() =>
+        {
+            shared.add(highListener, null, PIXI.UPDATE_PRIORITY.HIGH);
+            shared.add(lowListener, null, PIXI.UPDATE_PRIORITY.LOW);
+        });
+
+        shared.add(mainListener, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 3);
+
+        expect(mainListener.calledOnce).to.be.true;
+        expect(lowListener.calledOnce).to.be.true;
+        expect(highListener.calledOnce).to.be.false;
+
+        shared.remove(mainListener)
+            .remove(highListener)
+            .remove(lowListener);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should remove emit low-priority item during emit', function ()
+    {
+        const length = this.length();
+        const listener2 = sinon.spy();
+        const listener1 = sinon.spy(() =>
+        {
+            shared.add(listener2, null, PIXI.UPDATE_PRIORITY.LOW);
+        });
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 2);
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener1.calledOnce).to.be.true;
+
+        shared.remove(listener1)
+            .remove(listener2);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should remove itself on emit after adding new item', function ()
+    {
+        const length = this.length();
+        const listener2 = sinon.spy();
+        const listener1 = sinon.spy(() =>
+        {
+            shared.add(listener2, null, PIXI.UPDATE_PRIORITY.LOW);
+            shared.remove(listener1);
+
+            // listener is removed right away
+            expect(this.length()).to.equal(length + 1);
+        });
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 1);
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener1.calledOnce).to.be.true;
+
+        shared.remove(listener2);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should remove itself before, still calling new item', function ()
+    {
+        const length = this.length();
+        const listener2 = sinon.spy();
+        const listener1 = sinon.spy(() =>
+        {
+            shared.remove(listener1);
+            shared.add(listener2, null, PIXI.UPDATE_PRIORITY.LOW);
+
+            // listener is removed right away
+            expect(this.length()).to.equal(length + 1);
+        });
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 1);
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener1.calledOnce).to.be.true;
+
+        shared.remove(listener2);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should remove items before and after current priority', function ()
+    {
+        const length = this.length();
+        const listener2 = sinon.spy();
+        const listener3 = sinon.spy();
+        const listener4 = sinon.spy();
+
+        shared.add(listener2, null, PIXI.UPDATE_PRIORITY.HIGH);
+        shared.add(listener3, null, PIXI.UPDATE_PRIORITY.LOW);
+        shared.add(listener4, null, PIXI.UPDATE_PRIORITY.LOW);
+
+        const listener1 = sinon.spy(() =>
+        {
+            shared.remove(listener2)
+                .remove(listener3);
+
+            // listener is removed right away
+            expect(this.length()).to.equal(length + 2);
+        });
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 2);
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener3.calledOnce).to.be.false;
+        expect(listener4.calledOnce).to.be.true;
+        expect(listener1.calledOnce).to.be.true;
+
+        shared.update();
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener3.calledOnce).to.be.false;
+        expect(listener4.calledTwice).to.be.true;
+        expect(listener1.calledTwice).to.be.true;
+
+        shared.remove(listener1)
+            .remove(listener4);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should destroy on listener', function (done)
+    {
+        const ticker = new Ticker();
+        const listener2 = sinon.spy();
+        const listener = sinon.spy(() =>
+        {
+            ticker.destroy();
+            setTimeout(() =>
+            {
+                expect(listener2.called).to.be.false;
+                expect(listener.calledOnce).to.be.true;
+                done();
+            }, 0);
+        });
+
+        ticker.add(listener);
+        ticker.add(listener2, null, PIXI.UPDATE_PRIORITY.LOW);
+        ticker.start();
+    });
+});
diff --git a/test/core/TilingSprite.js b/test/core/TilingSprite.js
index 2e449a7..7694792 100644
--- a/test/core/TilingSprite.js
+++ b/test/core/TilingSprite.js
@@ -24,4 +24,25 @@
             expect(bounds.height).to.equal(600);
         });
     });
+
+    it('checks if tilingSprite contains a point', function ()
+    {
+        const texture = new PIXI.Texture(new PIXI.BaseTexture());
+        const tilingSprite = new PIXI.extras.TilingSprite(texture, 200, 300);
+
+        expect(tilingSprite.containsPoint(new PIXI.Point(1, 1))).to.equal(true);
+        expect(tilingSprite.containsPoint(new PIXI.Point(300, 400))).to.equal(false);
+    });
+
+    it('gets and sets height and width correctly', function ()
+    {
+        const texture = new PIXI.Texture(new PIXI.BaseTexture());
+        const tilingSprite = new PIXI.extras.TilingSprite(texture, 200, 300);
+
+        tilingSprite.width = 400;
+        tilingSprite.height = 600;
+
+        expect(tilingSprite.width).to.equal(400);
+        expect(tilingSprite.height).to.equal(600);
+    });
 });
diff --git a/test/core/index.js b/test/core/index.js
index 8530131..58dc30e 100755
--- a/test/core/index.js
+++ b/test/core/index.js
@@ -17,6 +17,7 @@
 require('./util');
 require('./Plane');
 require('./Point');
+require('./Polygon');
 require('./ObservablePoint');
 require('./Matrix');
 require('./Rectangle');
@@ -27,4 +28,5 @@
 require('./WebGLRenderer');
 require('./Ellipse');
 require('./Texture');
+require('./Ticker');
 require('./filters');
diff --git a/test/interaction/InteractionManager.js b/test/interaction/InteractionManager.js
index 0e7e707..31385b9 100644
--- a/test/interaction/InteractionManager.js
+++ b/test/interaction/InteractionManager.js
@@ -4,6 +4,16 @@
 
 describe('PIXI.interaction.InteractionManager', function ()
 {
+    afterEach(function ()
+    {
+        // if we made a MockPointer for the test, clean it up
+        if (this.pointer)
+        {
+            this.pointer.cleanUp();
+            this.pointer = null;
+        }
+    });
+
     describe('event basics', function ()
     {
         it('should call mousedown handler', function ()
@@ -11,7 +21,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const eventSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -29,7 +39,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const eventSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -47,7 +57,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const eventSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -66,7 +76,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const eventSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -84,7 +94,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const eventSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -286,7 +296,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const clickSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -304,7 +314,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const clickSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -316,6 +326,29 @@
 
             expect(clickSpy).to.not.have.been.called;
         });
+
+        it('should not call handler when mousedown not received', function ()
+        {
+            const stage = new PIXI.Container();
+            const graphics = new PIXI.Graphics();
+            const clickSpy = sinon.spy();
+            const pointer = new MockPointer(stage);
+
+            stage.addChild(graphics);
+            graphics.beginFill(0xFFFFFF);
+            graphics.drawRect(0, 0, 50, 50);
+            graphics.interactive = true;
+            graphics.on('click', clickSpy);
+
+            pointer.mouseup(10, 10);
+
+            expect(clickSpy, 'click should not happen on first mouseup').to.not.have.been.called;
+
+            // test again, just because it was a bug that was reported
+            pointer.mouseup(20, 20);
+
+            expect(clickSpy, 'click should not happen on second mouseup').to.not.have.been.called;
+        });
     });
 
     describe('onTap', function ()
@@ -325,7 +358,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const clickSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -343,7 +376,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const clickSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -359,32 +392,62 @@
 
     describe('overlapping children', function ()
     {
-        function getScene(callbackEventName)
+        function getScene(callbackEventName, splitParents)
         {
             const behindChild = new PIXI.Graphics();
             const frontChild = new PIXI.Graphics();
             const parent = new PIXI.Container();
-            const behindChildCallback = sinon.spy();
-            const frontChildCallback = sinon.spy();
-            const parentCallback = sinon.spy();
+            const behindChildCallback = sinon.spy(function behindSpy() { /* no op*/ });
+            const frontChildCallback = sinon.spy(function frontSpy() { /* no op*/ });
+            const parentCallback = sinon.spy(function parentSpy() { /* no op*/ });
+            let behindParent;
+            let frontParent;
+            let behindParentCallback;
+            let frontParentCallback;
 
             behindChild.beginFill(0xFF);
             behindChild.drawRect(0, 0, 50, 50);
             behindChild.on(callbackEventName, behindChildCallback);
+            behindChild.name = 'behind';
 
             frontChild.beginFill(0x00FF);
             frontChild.drawRect(0, 0, 50, 50);
             frontChild.on(callbackEventName, frontChildCallback);
+            frontChild.name = 'front';
 
-            parent.addChild(behindChild, frontChild);
+            if (splitParents)
+            {
+                behindParent = new PIXI.Container();
+                behindParent.name = 'behindParent';
+                frontParent = new PIXI.Container();
+                frontParent.name = 'frontParent';
+                behindParentCallback = sinon.spy(function behindParentSpy() { /* no op*/ });
+                frontParentCallback = sinon.spy(function frontParentSpy() { /* no op*/ });
+                behindParent.on(callbackEventName, behindParentCallback);
+                frontParent.on(callbackEventName, frontParentCallback);
+
+                parent.addChild(behindParent, frontParent);
+                behindParent.addChild(behindChild);
+                frontParent.addChild(frontChild);
+
+                parent.name = 'parent';
+            }
+            else
+            {
+                parent.addChild(behindChild, frontChild);
+            }
             parent.on(callbackEventName, parentCallback);
 
             return {
                 behindChild,
                 frontChild,
+                behindParent,
+                frontParent,
                 parent,
                 behindChildCallback,
                 frontChildCallback,
+                behindParentCallback,
+                frontParentCallback,
                 parentCallback,
             };
         }
@@ -396,7 +459,7 @@
                 it('should callback front child when clicking front child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -414,7 +477,7 @@
                 it('should callback front child when clicking overlap', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -432,7 +495,7 @@
                 it('should callback behind child when clicking behind child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -446,6 +509,48 @@
                     expect(scene.behindChildCallback).to.have.been.calledOnce;
                     expect(scene.parentCallback).to.not.have.been.called;
                 });
+
+                it('should callback front child of different non-interactive parents when clicking overlap', function ()
+                {
+                    const stage = new PIXI.Container();
+                    const pointer = this.pointer = new MockPointer(stage);
+                    const scene = getScene('click', true);
+
+                    scene.behindChild.interactive = true;
+                    scene.behindChild.x = 25;
+                    scene.frontChild.interactive = true;
+
+                    stage.addChild(scene.parent);
+                    pointer.click(40, 10);
+
+                    expect(scene.behindChildCallback).to.not.have.been.called;
+                    expect(scene.frontChildCallback).to.have.been.calledOnce;
+                    expect(scene.parentCallback).to.not.have.been.called;
+                    expect(scene.behindParentCallback).to.not.have.been.called;
+                    expect(scene.frontParentCallback).to.not.have.been.called;
+                });
+
+                it('should callback front child of different interactive parents when clicking overlap', function ()
+                {
+                    const stage = new PIXI.Container();
+                    const pointer = this.pointer = new MockPointer(stage);
+                    const scene = getScene('click', true);
+
+                    scene.behindChild.interactive = true;
+                    scene.behindChild.x = 25;
+                    scene.frontChild.interactive = true;
+                    scene.behindParent.interactive = true;
+                    scene.frontParent.interactive = true;
+
+                    stage.addChild(scene.parent);
+                    pointer.click(40, 10);
+
+                    expect(scene.behindChildCallback).to.not.have.been.called;
+                    expect(scene.frontChildCallback).to.have.been.calledOnce;
+                    expect(scene.parentCallback).to.not.have.been.called;
+                    expect(scene.behindParentCallback).to.not.have.been.called;
+                    expect(scene.frontParentCallback).to.have.been.calledOnce;
+                });
             });
 
             describe('when front child is non-interactive', function ()
@@ -453,7 +558,7 @@
                 it('should not callback when clicking front child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -470,7 +575,7 @@
                 it('should callback behind child when clicking overlap', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -487,7 +592,7 @@
                 it('should callback behind child when clicking behind child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -507,7 +612,7 @@
                 it('should callback front child when clicking front child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.x = 25;
@@ -524,7 +629,7 @@
                 it('should callback front child when clicking overlap', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.x = 25;
@@ -541,7 +646,7 @@
                 it('should not callback when clicking behind child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.x = 25;
@@ -564,7 +669,7 @@
                 it('should callback parent and front child when clicking front child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -583,7 +688,7 @@
                 it('should callback parent and front child when clicking overlap', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -602,7 +707,7 @@
                 it('should callback parent and behind child when clicking behind child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -617,6 +722,50 @@
                     expect(scene.behindChildCallback).to.have.been.calledOnce;
                     expect(scene.parentCallback).to.have.been.calledOnce;
                 });
+
+                it('should callback front child of different non-interactive parents when clicking overlap', function ()
+                {
+                    const stage = new PIXI.Container();
+                    const pointer = this.pointer = new MockPointer(stage);
+                    const scene = getScene('click', true);
+
+                    scene.behindChild.interactive = true;
+                    scene.behindChild.x = 25;
+                    scene.frontChild.interactive = true;
+                    scene.parent.interactive = true;
+
+                    stage.addChild(scene.parent);
+                    pointer.click(40, 10);
+
+                    expect(scene.behindChildCallback).to.not.have.been.called;
+                    expect(scene.frontChildCallback).to.have.been.calledOnce;
+                    expect(scene.parentCallback).to.have.been.calledOnce;
+                    expect(scene.behindParentCallback).to.not.have.been.called;
+                    expect(scene.frontParentCallback).to.not.have.been.called;
+                });
+
+                it('should callback front child of different interactive parents when clicking overlap', function ()
+                {
+                    const stage = new PIXI.Container();
+                    const pointer = this.pointer = new MockPointer(stage);
+                    const scene = getScene('click', true);
+
+                    scene.behindChild.interactive = true;
+                    scene.behindChild.x = 25;
+                    scene.frontChild.interactive = true;
+                    scene.parent.interactive = true;
+                    scene.behindParent.interactive = true;
+                    scene.frontParent.interactive = true;
+
+                    stage.addChild(scene.parent);
+                    pointer.click(40, 10);
+
+                    expect(scene.behindChildCallback).to.not.have.been.called;
+                    expect(scene.frontChildCallback).to.have.been.calledOnce;
+                    expect(scene.parentCallback).to.have.been.calledOnce;
+                    expect(scene.behindParentCallback).to.not.have.been.called;
+                    expect(scene.frontParentCallback).to.have.been.calledOnce;
+                });
             });
 
             describe('when front child is non-interactive', function ()
@@ -624,7 +773,7 @@
                 it('should callback parent when clicking front child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -642,7 +791,7 @@
                 it('should callback parent and behind child when clicking overlap', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -660,7 +809,7 @@
                 it('should callback parent and behind child when clicking behind child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -681,7 +830,7 @@
                 it('should callback parent and front child when clicking front child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.x = 25;
@@ -699,7 +848,7 @@
                 it('should callback parent and front child when clicking overlap', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.x = 25;
@@ -717,7 +866,7 @@
                 it('should callback parent when clicking behind child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.x = 25;
@@ -733,6 +882,42 @@
                 });
             });
         });
+
+        it('Semi-complicated nesting with overlap, should not call behind callback', function ()
+        {
+            const stage = new PIXI.Container();
+            const frontParent = new PIXI.Container();
+            const frontChild = new PIXI.Graphics();
+            const behindParent = new PIXI.Container();
+            const subParent = new PIXI.Container();
+            const behindChild = new PIXI.Graphics();
+            const behindCallback = sinon.spy(function behindSpy() { /* no op*/ });
+            const frontCallback = sinon.spy(function frontSpy() { /* no op*/ });
+
+            behindChild.beginFill(0xFF);
+            behindChild.drawRect(0, 0, 50, 50);
+            subParent.on('click', behindCallback);
+
+            frontChild.beginFill(0x00FF);
+            frontChild.drawRect(0, 0, 50, 50);
+            frontParent.on('click', frontCallback);
+            const pointer = this.pointer = new MockPointer(stage);
+
+            behindParent.x = 25;
+            subParent.interactive = true;
+            frontParent.interactive = true;
+
+            behindParent.addChild(subParent);
+            subParent.addChild(behindChild);
+            stage.addChild(behindParent);
+            frontParent.addChild(frontChild);
+            stage.addChild(frontParent);
+
+            pointer.click(40, 10);
+
+            expect(behindCallback).to.not.have.been.called;
+            expect(frontCallback).to.have.been.calledOnce;
+        });
     });
 
     describe('cursor changes', function ()
@@ -741,7 +926,7 @@
         {
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -759,7 +944,7 @@
         {
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -778,7 +963,7 @@
         {
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -797,7 +982,7 @@
         {
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -818,7 +1003,7 @@
             const graphics = new PIXI.Graphics();
             const overSpy = sinon.spy();
             const defaultSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -840,7 +1025,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const defaultSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -859,7 +1044,7 @@
         {
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -881,7 +1066,7 @@
         {
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -932,7 +1117,7 @@
             it('should stop hitTesting after first hit', function ()
             {
                 const scene = getScene();
-                const pointer = new MockPointer(scene.stage);
+                const pointer = this.pointer = new MockPointer(scene.stage);
                 const frontHitTest = sinon.spy(scene.frontChild, 'containsPoint');
                 const middleHitTest = sinon.spy(scene.middleChild, 'containsPoint');
                 const behindHitTest = sinon.spy(scene.behindChild, 'containsPoint');
@@ -954,7 +1139,7 @@
             it('should stop hitTesting after first hit', function ()
             {
                 const scene = getScene();
-                const pointer = new MockPointer(scene.stage);
+                const pointer = this.pointer = new MockPointer(scene.stage);
                 const frontHitTest = sinon.spy(scene.frontChild, 'containsPoint');
                 const middleHitTest = sinon.spy(scene.middleChild, 'containsPoint');
                 const behindHitTest = sinon.spy(scene.behindChild, 'containsPoint');
@@ -971,4 +1156,127 @@
             });
         });
     });
+
+    describe('pointer handling', function ()
+    {
+        it('pointer event from mouse should use single mouse data', function ()
+        {
+            const stage = new PIXI.Container();
+            const graphics = new PIXI.Graphics();
+            const pointer = this.pointer = new MockPointer(stage, 100, 100, true);
+
+            stage.addChild(graphics);
+            graphics.beginFill(0xFFFFFF);
+            graphics.drawRect(0, 0, 50, 50);
+            graphics.interactive = true;
+
+            pointer.mousemove(20, 10, true);
+
+            expect(pointer.interaction.mouse.global.x).to.equal(20);
+            expect(pointer.interaction.mouse.global.y).to.equal(10);
+        });
+    });
+
+    describe('data cleanup', function ()
+    {
+        it('touchleave after touchout should not orphan data', function ()
+        {
+            const stage = new PIXI.Container();
+            const graphics = new PIXI.Graphics();
+            const pointer = this.pointer = new MockPointer(stage);
+
+            stage.addChild(graphics);
+            graphics.beginFill(0xFFFFFF);
+            graphics.drawRect(0, 0, 50, 50);
+            graphics.interactive = true;
+
+            pointer.touchstart(10, 10, 42);
+            expect(pointer.interaction.activeInteractionData[42]).to.exist;
+            pointer.touchend(10, 10, 42);
+            expect(pointer.interaction.activeInteractionData[42]).to.be.undefined;
+            pointer.touchleave(10, 10, 42);
+            expect(pointer.interaction.activeInteractionData[42]).to.be.undefined;
+        });
+    });
+
+    describe('hitTest()', function ()
+    {
+        it('should return hit', function ()
+        {
+            const stage = new PIXI.Container();
+            const graphics = new PIXI.Graphics();
+            const pointer = this.pointer = new MockPointer(stage);
+
+            stage.addChild(graphics);
+            graphics.beginFill(0xFFFFFF);
+            graphics.drawRect(0, 0, 50, 50);
+            graphics.interactive = true;
+
+            pointer.render();
+            const hit = pointer.interaction.hitTest(new PIXI.Point(10, 10));
+
+            expect(hit).to.equal(graphics);
+        });
+
+        it('should return null if not hit', function ()
+        {
+            const stage = new PIXI.Container();
+            const graphics = new PIXI.Graphics();
+            const pointer = this.pointer = new MockPointer(stage);
+
+            stage.addChild(graphics);
+            graphics.beginFill(0xFFFFFF);
+            graphics.drawRect(0, 0, 50, 50);
+            graphics.interactive = true;
+
+            pointer.render();
+            const hit = pointer.interaction.hitTest(new PIXI.Point(60, 60));
+
+            expect(hit).to.be.null;
+        });
+
+        it('should return top thing that was hit', function ()
+        {
+            const stage = new PIXI.Container();
+            const graphics = new PIXI.Graphics();
+            const behind = new PIXI.Graphics();
+            const pointer = this.pointer = new MockPointer(stage);
+
+            stage.addChild(behind);
+            stage.addChild(graphics);
+            graphics.beginFill(0xFFFFFF);
+            graphics.drawRect(0, 0, 50, 50);
+            graphics.interactive = true;
+            behind.beginFill(0xFFFFFF);
+            behind.drawRect(0, 0, 50, 50);
+            behind.interactive = true;
+
+            pointer.render();
+            const hit = pointer.interaction.hitTest(new PIXI.Point(10, 10));
+
+            expect(hit).to.equal(graphics);
+        });
+
+        it('should return hit when passing in root', function ()
+        {
+            const stage = new PIXI.Container();
+            const graphics = new PIXI.Graphics();
+            const behind = new PIXI.Graphics();
+            const pointer = this.pointer = new MockPointer(stage);
+
+            stage.addChild(behind);
+            stage.addChild(graphics);
+            graphics.beginFill(0xFFFFFF);
+            graphics.drawRect(0, 0, 50, 50);
+            graphics.interactive = true;
+            behind.beginFill(0xFFFFFF);
+            behind.drawRect(0, 0, 50, 50);
+            behind.interactive = true;
+
+            pointer.render();
+            const hit = pointer.interaction.hitTest(new PIXI.Point(10, 10), behind);
+
+            expect(hit).to.equal(behind);
+        });
+    });
 });

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line
diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 02d53a3..449f8cc 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -30,7 +30,10 @@
         /**
          * When passed to an event handler, this will be the original DOM Event that was captured
          *
-         * @member {Event}
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+         * @member {MouseEvent|TouchEvent|PointerEvent}
          */
         this.originalEvent = null;
     }
diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 8baf13a..2d75c7c 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -13,6 +13,14 @@
 
 const MOUSE_POINTER_ID = 'MOUSE';
 
+// helpers for hitTest() - only used inside hitTest()
+const hitTestEvent = {
+    target: null,
+    data: {
+        global: null,
+    },
+};
+
 /**
  * The interaction manager deals with mouse, touch and pointer events. Any DisplayObject can be interactive
  * if its interactive parameter is set to true
@@ -245,67 +253,60 @@
         this.setTargetElement(this.renderer.view, this.renderer.resolution);
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed on the display
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display
          * object.
          *
-         * @event mousedown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * on the display object.
          *
-         * @event rightdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released over the display
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
          * object.
          *
-         * @event mouseup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is released
          * over the display object.
          *
-         * @event rightup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed and released on
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
          * the display object.
          *
-         * @event click
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * and released on the display object.
          *
-         * @event rightclick
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released outside the
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
          * display object that initially registered a
          * [mousedown]{@link PIXI.interaction.InteractionManager#event:mousedown}.
          *
-         * @event mouseupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
@@ -313,146 +314,362 @@
          * outside the display object that initially registered a
          * [rightdown]{@link PIXI.interaction.InteractionManager#event:rightdown}.
          *
-         * @event rightupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved while over the display object
          *
-         * @event mousemove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved onto the display object
          *
-         * @event mouseover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved off the display object
          *
-         * @event mouseout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed on the display object.
          *
-         * @event pointerdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released over the display object.
          *
-         * @event pointerup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a pointer event
          *
-         * @event pointercancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed and released on the display object.
          *
-         * @event pointertap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released outside the display object that initially
          * registered a [pointerdown]{@link PIXI.interaction.InteractionManager#event:pointerdown}.
          *
-         * @event pointerupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved while over the display object
          *
-         * @event pointermove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved onto the display object
          *
-         * @event pointerover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved off the display object
          *
-         * @event pointerout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed on the display object.
          *
-         * @event touchstart
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed from the display object.
          *
-         * @event touchend
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a touch
          *
-         * @event touchcancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed and removed from the display object.
          *
-         * @event tap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed outside of the display object that initially
          * registered a [touchstart]{@link PIXI.interaction.InteractionManager#event:touchstart}.
          *
-         * @event touchendoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is moved along the display object.
          *
-         * @event touchmove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display.
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * over the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
+         * the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * and released on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
+         * display object that initially registered a
+         * [mousedown]{@link PIXI.DisplayObject#event:mousedown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * outside the display object that initially registered a
+         * [rightdown]{@link PIXI.DisplayObject#event:rightdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a pointer event.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed and released on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released outside the display object that initially
+         * registered a [pointerdown]{@link PIXI.DisplayObject#event:pointerdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a touch.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed and removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed outside of the display object that initially
+         * registered a [touchstart]{@link PIXI.DisplayObject#event:touchstart}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is moved along the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+    }
+
+    /**
+     * Hit tests a point against the display tree, returning the first interactive object that is hit.
+     *
+     * @param {PIXI.Point} globalPoint - A point to hit test with, in global space.
+     * @param {PIXI.Container} [root] - The root display object to start from. If omitted, defaults
+     * to the last rendered root of the associated renderer.
+     * @return {PIXI.DisplayObject} The hit display object, if any.
+     */
+    hitTest(globalPoint, root)
+    {
+        // clear the target for our hit test
+        hitTestEvent.target = null;
+        // assign the global point
+        hitTestEvent.data.global = globalPoint;
+        // ensure safety of the root
+        if (!root)
+        {
+            root = this.renderer._lastObjectRendered;
+        }
+        // run the hit test
+        this.processInteractive(hitTestEvent, root, null, true);
+        // return our found object - it'll be null if we didn't hit anything
+
+        return hitTestEvent.target;
     }
 
     /**
@@ -487,7 +704,7 @@
             return;
         }
 
-        core.ticker.shared.add(this.update, this);
+        core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.INTERACTION);
 
         if (window.navigator.msPointerEnabled)
         {
@@ -804,8 +1021,6 @@
             }
         }
 
-        let keepHitTestingAfterChildren = hitTest;
-
         // ** FREE TIP **! If an object is not interactive or has no buttons in it
         // (such as a game scene!) set interactiveChildren to false for that displayObject.
         // This will allow pixi to completely ignore and bypass checking the displayObjects children.
@@ -818,7 +1033,9 @@
                 const child = children[i];
 
                 // time to get recursive.. if this function will return if something is hit..
-                if (this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent))
+                const childHit = this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent);
+
+                if (childHit)
                 {
                     // its a good idea to check if a child has lost its parent.
                     // this means it has been removed whilst looping so its best
@@ -827,8 +1044,6 @@
                         continue;
                     }
 
-                    hit = true;
-
                     // we no longer need to hit test any more objects in this container as we we
                     // now know the parent has been hit
                     interactiveParent = false;
@@ -838,36 +1053,41 @@
                     // This means we no longer need to hit test anything else. We still need to run
                     // through all objects, but we don't need to perform any hit tests.
 
-                    keepHitTestingAfterChildren = false;
-
-                    if (child.interactive)
+                    if (childHit)
                     {
-                        hitTest = false;
+                        if (interactionEvent.target)
+                        {
+                            hitTest = false;
+                        }
+                        hit = true;
                     }
-
-                    // we can break now as we have hit an object.
                 }
             }
         }
 
-        hitTest = keepHitTestingAfterChildren;
-
         // no point running this if the item is not interactive or does not have an interactive parent.
         if (interactive)
         {
             // if we are hit testing (as in we have no hit any objects yet)
             // We also don't need to worry about hit testing if once of the displayObjects children
-            // has already been hit!
-            if (hitTest && !hit)
+            // has already been hit - but only if it was interactive, otherwise we need to keep
+            // looking for an interactive child, just in case we hit one
+            if (hitTest && !interactionEvent.target)
             {
                 if (displayObject.hitArea)
                 {
                     displayObject.worldTransform.applyInverse(point, this._tempPoint);
-                    hit = displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y);
+                    if (displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y))
+                    {
+                        hit = true;
+                    }
                 }
                 else if (displayObject.containsPoint)
                 {
-                    hit = displayObject.containsPoint(point);
+                    if (displayObject.containsPoint(point))
+                    {
+                        hit = true;
+                    }
                 }
             }
 
@@ -878,7 +1098,10 @@
                     interactionEvent.target = displayObject;
                 }
 
-                func(interactionEvent, displayObject, hit);
+                if (func)
+                {
+                    func(interactionEvent, displayObject, !!hit);
+                }
             }
         }
 
@@ -914,7 +1137,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -998,7 +1221,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1098,7 +1321,7 @@
 
             const test = isRightButton ? flags.RIGHT_DOWN : flags.LEFT_DOWN;
 
-            const isDown = trackingData !== undefined && (trackingData.flags | test);
+            const isDown = trackingData !== undefined && (trackingData.flags & test);
 
             if (hit)
             {
@@ -1118,11 +1341,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }
@@ -1180,7 +1403,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1255,7 +1478,7 @@
             this.setCursorMode(null);
         }
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1268,6 +1491,12 @@
         {
             this.emit('mouseout', interactionEvent);
         }
+        else
+        {
+            // we can get touchleave events after touchend, so we want to make sure we don't
+            // introduce memory leaks
+            this.releaseInteractionDataForPointerId(interactionData.identifier);
+        }
     }
 
     /**
@@ -1344,7 +1573,7 @@
         // Only mouse and pointer can call onPointerOver, so events will always be length 1
         const event = events[0];
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1366,12 +1595,14 @@
      * Get InteractionData for a given pointerId. Store that data as well
      *
      * @private
-     * @param {number} pointerId - Identifier from a pointer event
+     * @param {PointerEvent} event - Normalized pointer event, output from normalizeToPointerData
      * @return {InteractionData} - Interaction data for the given pointer identifier
      */
-    getInteractionDataForPointerId(pointerId)
+    getInteractionDataForPointerId(event)
     {
-        if (pointerId === MOUSE_POINTER_ID)
+        const pointerId = event.pointerId;
+
+        if (pointerId === MOUSE_POINTER_ID || event.pointerType === 'mouse')
         {
             return this.mouse;
         }
diff --git a/src/interaction/InteractionTrackingData.js b/src/interaction/InteractionTrackingData.js
index 6a1f69e..8493b63 100644
--- a/src/interaction/InteractionTrackingData.js
+++ b/src/interaction/InteractionTrackingData.js
@@ -35,8 +35,10 @@
     }
 
     /**
+     * Unique pointer id of the event
+     *
      * @readonly
-     * @type {number} Unique pointer id of the event
+     * @member {number}
      */
     get pointerId()
     {
diff --git a/src/interaction/index.js b/src/interaction/index.js
index 56c5b09..72f7d71 100644
--- a/src/interaction/index.js
+++ b/src/interaction/index.js
@@ -1,4 +1,8 @@
 /**
+ * This namespace contains a renderer plugin for handling mouse, pointer, and touch events.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.interaction
  */
 export { default as InteractionData } from './InteractionData';
diff --git a/src/interaction/interactiveTarget.js b/src/interaction/interactiveTarget.js
index d252fba..cebac40 100644
--- a/src/interaction/interactiveTarget.js
+++ b/src/interaction/interactiveTarget.js
@@ -2,7 +2,7 @@
  * Default property values of interactive objects
  * Used by {@link PIXI.interaction.InteractionManager} to automatically give all DisplayObjects these properties
  *
- * @mixin
+ * @private
  * @name interactiveTarget
  * @memberof PIXI.interaction
  * @example
@@ -14,18 +14,28 @@
  *      );
  */
 export default {
+
     /**
-     * Determines if the displayObject be clicked/touched
+     * Enable interaction events for the DisplayObject. Touch, pointer and mouse
+     * events will not be emitted unless `interactive` is set to `true`.
      *
-     * @inner {boolean}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.on('tap', (event) => {
+     *    //handle event
+     * });
+     * @member {boolean}
+     * @memberof PIXI.DisplayObject#
      */
     interactive: false,
 
     /**
      * Determines if the children to the displayObject can be clicked/touched
-     * Setting this to false allows pixi to bypass a recursive hitTest function
+     * Setting this to false allows pixi to bypass a recursive `hitTest` function
      *
-     * @inner {boolean}
+     * @member {boolean}
+     * @memberof PIXI.Container#
      */
     interactiveChildren: true,
 
@@ -33,7 +43,12 @@
      * Interaction shape. Children will be hit first, then this shape will be checked.
      * Setting this will cause this shape to be checked in hit tests rather than the displayObject's bounds.
      *
-     * @inner {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.hitArea = new PIXI.Rectangle(0, 0, 100, 100);
+     * @member {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @memberof PIXI.DisplayObject#
      */
     hitArea: null,
 
@@ -41,8 +56,12 @@
      * If enabled, the mouse cursor use the pointer behavior when hovered over the displayObject if it is interactive
      * Setting this changes the 'cursor' property to `'pointer'`.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.buttonMode = true;
      * @member {boolean}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      */
     get buttonMode()
     {
@@ -64,9 +83,14 @@
      * This defines what cursor mode is used when the mouse cursor
      * is hovered over the displayObject.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.cursor = 'wait';
      * @see https://developer.mozilla.org/en/docs/Web/CSS/cursor
      *
-     * @inner {string}
+     * @member {string}
+     * @memberof PIXI.DisplayObject#
      */
     cursor: null,
 
@@ -74,7 +98,7 @@
      * Internal set of all active pointers, by identifier
      *
      * @member {Map<number, InteractionTrackingData>}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      * @private
      */
     get trackedPointers()
@@ -87,7 +111,8 @@
     /**
      * Map of all tracked pointers, by identifier. Use trackedPointers to access.
      *
-     * @private {Map<number, InteractionTrackingData>}
+     * @private
+     * @type {Map<number, InteractionTrackingData>}
      */
     _trackedPointers: undefined,
 };
diff --git a/src/loaders/index.js b/src/loaders/index.js
index 5189793..daa1fc4 100644
--- a/src/loaders/index.js
+++ b/src/loaders/index.js
@@ -1,9 +1,22 @@
+import Application from '../core/Application';
+import Loader from './loader';
+
 /**
+ * This namespace contains APIs which extends the {@link https://github.com/englercj/resource-loader resource-loader} module
+ * for loading assets, data, and other resources dynamically.
+ * @example
+ * const loader = new PIXI.loaders.Loader();
+ * loader.add('bunny', 'data/bunny.png')
+ *       .add('spaceship', 'assets/spritesheet.json');
+ * loader.load((loader, resources) => {
+ *    // resources.bunny
+ *    // resources.spaceship
+ * });
  * @namespace PIXI.loaders
  */
-export { default as Loader } from './loader';
+export { Loader };
 export { default as bitmapFontParser, parse as parseBitmapFontData } from './bitmapFontParser';
-export { default as spritesheetParser } from './spritesheetParser';
+export { default as spritesheetParser, getResourcePath } from './spritesheetParser';
 export { default as textureParser } from './textureParser';
 
 /**
@@ -13,3 +26,55 @@
  * @memberof PIXI.loaders
  */
 export { Resource } from 'resource-loader';
+
+/**
+ * A premade instance of the loader that can be used to load resources.
+ * @name shared
+ * @memberof PIXI.loaders
+ * @type {PIXI.loaders.Loader}
+ */
+const shared = new Loader();
+
+shared.destroy = () =>
+{
+    // protect destroying shared loader
+};
+
+export { shared };
+
+// Mixin the loader construction
+const AppPrototype = Application.prototype;
+
+AppPrototype._loader = null;
+
+/**
+ * Loader instance to help with asset loading.
+ * @name PIXI.Application#loader
+ * @type {PIXI.loaders.Loader}
+ */
+Object.defineProperty(AppPrototype, 'loader', {
+    get()
+    {
+        if (!this._loader)
+        {
+            const sharedLoader = this._options.sharedLoader;
+
+            this._loader = sharedLoader ? shared : new Loader();
+        }
+
+        return this._loader;
+    },
+});
+
+// Override the destroy function
+// making sure to destroy the current Loader
+AppPrototype._parentDestroy = AppPrototype.destroy;
+AppPrototype.destroy = function destroy()
+{
+    if (this._loader)
+    {
+        this._loader.destroy();
+        this._loader = null;
+    }
+    this._parentDestroy();
+};
diff --git a/src/loaders/loader.js b/src/loaders/loader.js
index 767a411..59b8000 100644
--- a/src/loaders/loader.js
+++ b/src/loaders/loader.js
@@ -90,6 +90,15 @@
     {
         Loader._pixiMiddleware.push(fn);
     }
+
+    /**
+     * Destroy the loader, removes references.
+     */
+    destroy()
+    {
+        this.removeAllListeners();
+        this.reset();
+    }
 }
 
 // Copy EE3 prototype (mixin)
diff --git a/src/loaders/spritesheetParser.js b/src/loaders/spritesheetParser.js
index e57dfb2..eda9584 100644
--- a/src/loaders/spritesheetParser.js
+++ b/src/loaders/spritesheetParser.js
@@ -1,12 +1,11 @@
 import { Resource } from 'resource-loader';
-import path from 'path';
+import url from 'url';
 import { Spritesheet } from '../core';
 
 export default function ()
 {
     return function spritesheetParser(resource, next)
     {
-        let resourcePath;
         const imageResourceName = `${resource.name}_image`;
 
         // skip if no data, its not json, it isn't spritesheet data, or the image resource already exists
@@ -28,15 +27,7 @@
             parentResource: resource,
         };
 
-        // Prepend url path unless the resource image is a data url
-        if (resource.isDataUrl)
-        {
-            resourcePath = resource.data.meta.image;
-        }
-        else
-        {
-            resourcePath = `${path.dirname(resource.url.replace(this.baseUrl, ''))}/${resource.data.meta.image}`;
-        }
+        const resourcePath = getResourcePath(resource, this.baseUrl);
 
         // load the image for this sheet
         this.add(imageResourceName, resourcePath, loadOptions, function onImageLoad(res)
@@ -56,3 +47,14 @@
         });
     };
 }
+
+export function getResourcePath(resource, baseUrl)
+{
+    // Prepend url path unless the resource image is a data url
+    if (resource.isDataUrl)
+    {
+        return resource.data.meta.image;
+    }
+
+    return url.resolve(resource.url.replace(baseUrl, ''), resource.data.meta.image);
+}
diff --git a/src/mesh/canvas/CanvasMeshRenderer.js b/src/mesh/canvas/CanvasMeshRenderer.js
index 297205f..f7899e1 100644
--- a/src/mesh/canvas/CanvasMeshRenderer.js
+++ b/src/mesh/canvas/CanvasMeshRenderer.js
@@ -134,12 +134,33 @@
         const textureWidth = base.width;
         const textureHeight = base.height;
 
-        const u0 = uvs[index0] * base.width;
-        const u1 = uvs[index1] * base.width;
-        const u2 = uvs[index2] * base.width;
-        const v0 = uvs[index0 + 1] * base.height;
-        const v1 = uvs[index1 + 1] * base.height;
-        const v2 = uvs[index2 + 1] * base.height;
+        let u0;
+        let u1;
+        let u2;
+        let v0;
+        let v1;
+        let v2;
+
+        if (mesh.uploadUvTransform)
+        {
+            const ut = mesh._uvTransform.mapCoord;
+
+            u0 = ((uvs[index0] * ut.a) + (uvs[index0 + 1] * ut.c) + ut.tx) * base.width;
+            u1 = ((uvs[index1] * ut.a) + (uvs[index1 + 1] * ut.c) + ut.tx) * base.width;
+            u2 = ((uvs[index2] * ut.a) + (uvs[index2 + 1] * ut.c) + ut.tx) * base.width;
+            v0 = ((uvs[index0] * ut.b) + (uvs[index0 + 1] * ut.d) + ut.ty) * base.height;
+            v1 = ((uvs[index1] * ut.b) + (uvs[index1 + 1] * ut.d) + ut.ty) * base.height;
+            v2 = ((uvs[index2] * ut.b) + (uvs[index2 + 1] * ut.d) + ut.ty) * base.height;
+        }
+        else
+        {
+            u0 = uvs[index0] * base.width;
+            u1 = uvs[index1] * base.width;
+            u2 = uvs[index2] * base.width;
+            v0 = uvs[index0 + 1] * base.height;
+            v1 = uvs[index1 + 1] * base.height;
+            v2 = uvs[index2 + 1] * base.height;
+        }
 
         let x0 = vertices[index0];
         let x1 = vertices[index1];
diff --git a/src/mesh/webgl/MeshRenderer.js b/src/mesh/webgl/MeshRenderer.js
index 78d24c3..ab99fcd 100644
--- a/src/mesh/webgl/MeshRenderer.js
+++ b/src/mesh/webgl/MeshRenderer.js
@@ -2,6 +2,8 @@
 
 const byteSizeMap = { 5126: 4, 5123: 2, 5121: 1 };
 
+const matrixIdentity = core.Matrix.IDENTITY;
+
 /**
  * WebGL renderer plugin for tiling sprites
  *
@@ -64,6 +66,7 @@
         mesh.geometry.glVertexArrayObjects[this.CONTEXT_UID].draw(mesh.drawMode, mesh.size, mesh.start, mesh.geometry.instanceCount);
     }
 
+
     /**
      * draws mesh
      * @param {PIXI.mesh.RawMesh} mesh mesh instance
diff --git a/src/mesh/webgl/mesh.vert b/src/mesh/webgl/mesh.vert
index a337aef..acc096c 100644
--- a/src/mesh/webgl/mesh.vert
+++ b/src/mesh/webgl/mesh.vert
@@ -1,8 +1,9 @@
 attribute vec2 aVertexPosition;
 attribute vec2 aTextureCoord;
 
-uniform mat3 translationMatrix;
 uniform mat3 projectionMatrix;
+uniform mat3 translationMatrix;
+uniform mat3 uTransform;
 
 varying vec2 vTextureCoord;
 
@@ -10,5 +11,5 @@
 {
     gl_Position = vec4((projectionMatrix * translationMatrix * vec3(aVertexPosition, 1.0)).xy, 0.0, 1.0);
 
-    vTextureCoord = aTextureCoord;
+    vTextureCoord = (uTransform * vec3(aTextureCoord, 1.0)).xy;
 }
diff --git a/src/particles/ParticleContainer.js b/src/particles/ParticleContainer.js
index 67796cf..63f7791 100644
--- a/src/particles/ParticleContainer.js
+++ b/src/particles/ParticleContainer.js
@@ -313,10 +313,10 @@
                 frame.y * resolution,
                 frame.width * resolution,
                 frame.height * resolution,
-                positionX * resolution,
-                positionY * resolution,
-                finalWidth * resolution,
-                finalHeight * resolution
+                positionX * renderer.resolution,
+                positionY * renderer.resolution,
+                finalWidth * renderer.resolution,
+                finalHeight * renderer.resolution
             );
         }
     }
diff --git a/src/prepare/BasePrepare.js b/src/prepare/BasePrepare.js
index 09eb5e5..e45c4dc 100644
--- a/src/prepare/BasePrepare.js
+++ b/src/prepare/BasePrepare.js
@@ -18,6 +18,18 @@
  * basic queuing functionality and is extended by {@link PIXI.prepare.WebGLPrepare} and {@link PIXI.prepare.CanvasPrepare}
  * to provide preparation capabilities specific to their respective renderers.
  *
+ * @example
+ * // Create a sprite
+ * const sprite = new PIXI.Sprite.fromImage('something.png');
+ *
+ * // Load object into GPU
+ * app.renderer.plugins.prepare.upload(sprite, () => {
+ *
+ *     //Texture(s) has been uploaded to GPU
+ *     app.stage.addChild(sprite);
+ *
+ * })
+ *
  * @abstract
  * @class
  * @memberof PIXI.prepare
@@ -100,8 +112,16 @@
             this.prepareItems();
         };
 
-        this.register(findText, drawText);
-        this.register(findTextStyle, calculateTextStyle);
+        // hooks to find the correct texture
+        this.registerFindHook(findText);
+        this.registerFindHook(findTextStyle);
+        this.registerFindHook(findMultipleBaseTextures);
+        this.registerFindHook(findBaseTexture);
+        this.registerFindHook(findTexture);
+
+        // upload hooks
+        this.registerUploadHook(drawText);
+        this.registerUploadHook(calculateTextStyle);
     }
 
     /**
@@ -138,7 +158,7 @@
             if (!this.ticking)
             {
                 this.ticking = true;
-                SharedTicker.addOnce(this.tick, this);
+                SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
             }
         }
         else if (done)
@@ -172,13 +192,16 @@
             const item = this.queue[0];
             let uploaded = false;
 
-            for (let i = 0, len = this.uploadHooks.length; i < len; i++)
+            if (item && !item._destroyed)
             {
-                if (this.uploadHooks[i](this.uploadHookHelper, item))
+                for (let i = 0, len = this.uploadHooks.length; i < len; i++)
                 {
-                    this.queue.shift();
-                    uploaded = true;
-                    break;
+                    if (this.uploadHooks[i](this.uploadHookHelper, item))
+                    {
+                        this.queue.shift();
+                        uploaded = true;
+                        break;
+                    }
                 }
             }
 
@@ -205,26 +228,36 @@
         else
         {
             // if we are not finished, on the next rAF do this again
-            SharedTicker.addOnce(this.tick, this);
+            SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
         }
     }
 
     /**
-     * Adds hooks for finding and uploading items.
+     * Adds hooks for finding items.
      *
-     * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
-              function must return `true` if it was able to add item to the queue.
-     * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
-     *        function must return `true` if it was able to handle upload of item.
-     * @return {PIXI.CanvasPrepare} Instance of plugin for chaining.
+     * @param {Function} addHook - Function call that takes two parameters: `item:*, queue:Array`
+     *          function must return `true` if it was able to add item to the queue.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
      */
-    register(addHook, uploadHook)
+    registerFindHook(addHook)
     {
         if (addHook)
         {
             this.addHooks.push(addHook);
         }
 
+        return this;
+    }
+
+    /**
+     * Adds hooks for uploading items.
+     *
+     * @param {Function} uploadHook - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+     *          function must return `true` if it was able to handle upload of item.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+     */
+    registerUploadHook(uploadHook)
+    {
         if (uploadHook)
         {
             this.uploadHooks.push(uploadHook);
@@ -287,6 +320,88 @@
 }
 
 /**
+ * Built-in hook to find multiple textures from objects like AnimatedSprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findMultipleBaseTextures(item, queue)
+{
+    let result = false;
+
+    // Objects with mutliple textures
+    if (item && item._textures && item._textures.length)
+    {
+        for (let i = 0; i < item._textures.length; i++)
+        {
+            if (item._textures[i] instanceof core.Texture)
+            {
+                const baseTexture = item._textures[i].baseTexture;
+
+                if (queue.indexOf(baseTexture) === -1)
+                {
+                    queue.push(baseTexture);
+                    result = true;
+                }
+            }
+        }
+    }
+
+    return result;
+}
+
+/**
+ * Built-in hook to find BaseTextures from Sprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findBaseTexture(item, queue)
+{
+    // Objects with textures, like Sprites/Text
+    if (item instanceof core.BaseTexture)
+    {
+        if (queue.indexOf(item) === -1)
+        {
+            queue.push(item);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
+ * Built-in hook to find textures from objects.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findTexture(item, queue)
+{
+    if (item._texture && item._texture instanceof core.Texture)
+    {
+        const texture = item._texture.baseTexture;
+
+        if (queue.indexOf(texture) === -1)
+        {
+            queue.push(texture);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
  * Built-in hook to draw PIXI.Text to its texture.
  *
  * @private
diff --git a/src/prepare/canvas/CanvasPrepare.js b/src/prepare/canvas/CanvasPrepare.js
index 0224bb5..09c207a 100644
--- a/src/prepare/canvas/CanvasPrepare.js
+++ b/src/prepare/canvas/CanvasPrepare.js
@@ -43,7 +43,7 @@
         this.ctx = this.canvas.getContext('2d');
 
         // Add textures to upload
-        this.register(findBaseTextures, uploadBaseTextures);
+        this.registerUploadHook(uploadBaseTextures);
     }
 
     /**
@@ -89,39 +89,4 @@
     return false;
 }
 
-/**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item  -Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
 core.CanvasRenderer.registerPlugin('prepare', CanvasPrepare);
diff --git a/src/prepare/index.js b/src/prepare/index.js
index f559c45..e7491ec 100644
--- a/src/prepare/index.js
+++ b/src/prepare/index.js
@@ -1,4 +1,29 @@
 /**
+ * The prepare namespace provides renderer-specific plugins for pre-rendering DisplayObjects. These plugins are useful for
+ * asynchronously preparing assets, textures, graphics waiting to be displayed.
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ * document.body.appendChild(app.view);
+ *
+ * // Don't start rendering right away
+ * app.stop();
+ *
+ * // create a display object
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add to the stage
+ * app.stage.addChild(rect);
+ *
+ * // Don't start rendering until the graphic is uploaded to the GPU
+ * app.renderer.plugins.prepare.upload(app.stage, () => {
+ *     app.start();
+ * });
  * @namespace PIXI.prepare
  */
 export { default as webgl } from './webgl/WebGLPrepare';
diff --git a/src/prepare/webgl/WebGLPrepare.js b/src/prepare/webgl/WebGLPrepare.js
index eb7023f..9df3c3f 100644
--- a/src/prepare/webgl/WebGLPrepare.js
+++ b/src/prepare/webgl/WebGLPrepare.js
@@ -22,12 +22,11 @@
         this.uploadHookHelper = this.renderer;
 
         // Add textures and graphics to upload
-        this.register(findBaseTextures, uploadBaseTextures)
-            .register(findGraphics, uploadGraphics);
+        this.registerFindHook(findGraphics);
+        this.registerUploadHook(uploadBaseTextures);
+        this.registerUploadHook(uploadGraphics);
     }
-
 }
-
 /**
  * Built-in hook to upload PIXI.Texture objects to the GPU.
  *
@@ -80,41 +79,6 @@
 }
 
 /**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item - Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
-/**
  * Built-in hook to find graphics.
  *
  * @private
diff --git a/test/.eslintrc.json b/test/.eslintrc.json
index e03220d..ac12110 100644
--- a/test/.eslintrc.json
+++ b/test/.eslintrc.json
@@ -12,7 +12,8 @@
         "sinon": false,
         "expect": false,
         "assert": false,
-        "PIXI": false
+        "PIXI": false,
+        "PointerEvent": true
     },
     "rules": {
         "func-names": 0,
diff --git a/test/core/BaseTexture.js b/test/core/BaseTexture.js
index 8b93478..bb65068 100644
--- a/test/core/BaseTexture.js
+++ b/test/core/BaseTexture.js
@@ -14,4 +14,28 @@
             expect(baseTexture.imageType).to.be.equals('png');
         });
     });
+
+    it('should remove Canvas BaseTexture from cache on destroy', function ()
+    {
+        const canvas = document.createElement('canvas');
+        const texture = PIXI.BaseTexture.fromCanvas(canvas);
+        const _pixiId = canvas._pixiId;
+
+        expect(PIXI.utils.BaseTextureCache[_pixiId]).to.equal(texture);
+        texture.destroy();
+        expect(PIXI.utils.BaseTextureCache[_pixiId]).to.equal(undefined);
+    });
+
+    it('should remove Image BaseTexture from cache on destroy', function ()
+    {
+        const URL = 'foo.png';
+        const NAME = 'bar';
+        const image = new Image();
+
+        const texture = PIXI.Texture.fromLoader(image, URL, NAME);
+
+        expect(PIXI.utils.BaseTextureCache[NAME]).to.equal(texture.baseTexture);
+        texture.destroy(true);
+        expect(PIXI.utils.BaseTextureCache[NAME]).to.equal(undefined);
+    });
 });
diff --git a/test/core/Circle.js b/test/core/Circle.js
index 183f98f..f621992 100644
--- a/test/core/Circle.js
+++ b/test/core/Circle.js
@@ -53,6 +53,10 @@
         expect(circ1.contains(10, 16)).to.be.false;
         expect(circ1.contains(11, 15)).to.be.false;
         expect(circ1.contains(0, 0)).to.be.false;
+
+        const circ2 = new PIXI.Circle(10, 10, 0);
+
+        expect(circ2.contains(10, 10)).to.be.false;
     });
 
     it('should return framing rectangle', function ()
diff --git a/test/core/Container.js b/test/core/Container.js
index d11be33..cefde54 100644
--- a/test/core/Container.js
+++ b/test/core/Container.js
@@ -2,30 +2,36 @@
 
 function testAddChild(fn)
 {
-    fn(function (container, obj)
+    return function ()
     {
-        container.addChild(obj);
-    });
-    fn(function (container, obj)
-    {
-        container.addChildAt(obj);
-    });
+        fn(function (container, obj)
+        {
+            container.addChild(obj);
+        });
+        fn(function (container, obj)
+        {
+            container.addChildAt(obj);
+        });
+    };
 }
 
 function testRemoveChild(fn)
 {
-    fn(function (container, obj)
+    return function ()
     {
-        container.removeChild(obj);
-    });
-    fn(function (container, obj)
-    {
-        container.removeChildAt(container.children.indexOf(obj));
-    });
-    fn(function (container, obj)
-    {
-        container.removeChildren(container.children.indexOf(obj), container.children.indexOf(obj) + 1);
-    });
+        fn(function (container, obj)
+        {
+            container.removeChild(obj);
+        });
+        fn(function (container, obj)
+        {
+            container.removeChildAt(container.children.indexOf(obj));
+        });
+        fn(function (container, obj)
+        {
+            container.removeChildren(container.children.indexOf(obj), container.children.indexOf(obj) + 1);
+        });
+    };
 }
 
 describe('PIXI.Container', function ()
diff --git a/test/core/Ellipse.js b/test/core/Ellipse.js
index f2e8234..3f47442 100644
--- a/test/core/Ellipse.js
+++ b/test/core/Ellipse.js
@@ -56,6 +56,10 @@
         expect(ellipse1.contains(10, 16)).to.be.false;
         expect(ellipse1.contains(11, 15)).to.be.false;
         expect(ellipse1.contains(0, 0)).to.be.false;
+
+        const ellipse2 = new PIXI.Ellipse(10, 10, 0, 0);
+
+        expect(ellipse2.contains(10, 10)).to.be.false;
     });
 
     it('should return framing rectangle', function ()
diff --git a/test/core/Matrix.js b/test/core/Matrix.js
index 9d2694b..76bd57c 100644
--- a/test/core/Matrix.js
+++ b/test/core/Matrix.js
@@ -107,10 +107,60 @@
         expect(m1.ty).to.equal(m2.ty);
     });
 
+    it('should prepend matrix', function ()
+    {
+        const m1 = new PIXI.Matrix();
+        const m2 = new PIXI.Matrix();
+
+        m2.set(2, 3, 4, 5, 100, 200);
+        m1.prepend(m2);
+
+        expect(m1.a).to.equal(m2.a);
+        expect(m1.b).to.equal(m2.b);
+        expect(m1.c).to.equal(m2.c);
+        expect(m1.d).to.equal(m2.d);
+        expect(m1.tx).to.equal(m2.tx);
+        expect(m1.ty).to.equal(m2.ty);
+
+        const m3 = new PIXI.Matrix();
+        const m4 = new PIXI.Matrix();
+
+        m3.prepend(m4);
+
+        expect(m3.a).to.equal(m4.a);
+        expect(m3.b).to.equal(m4.b);
+        expect(m3.c).to.equal(m4.c);
+        expect(m3.d).to.equal(m4.d);
+        expect(m3.tx).to.equal(m4.tx);
+        expect(m3.ty).to.equal(m4.ty);
+    });
+
     it('should get IDENTITY and TEMP_MATRIX', function ()
     {
         expect(PIXI.Matrix.IDENTITY instanceof PIXI.Matrix).to.be.true;
         expect(PIXI.Matrix.TEMP_MATRIX instanceof PIXI.Matrix).to.be.true;
     });
-});
 
+    it('should reset matrix to default when identity() is called', function ()
+    {
+        const matrix = new PIXI.Matrix();
+
+        matrix.set(2, 3, 4, 5, 100, 200);
+
+        expect(matrix.a).to.equal(2);
+        expect(matrix.b).to.equal(3);
+        expect(matrix.c).to.equal(4);
+        expect(matrix.d).to.equal(5);
+        expect(matrix.tx).to.equal(100);
+        expect(matrix.ty).to.equal(200);
+
+        matrix.identity();
+
+        expect(matrix.a).to.equal(1);
+        expect(matrix.b).to.equal(0);
+        expect(matrix.c).to.equal(0);
+        expect(matrix.d).to.equal(1);
+        expect(matrix.tx).to.equal(0);
+        expect(matrix.ty).to.equal(0);
+    });
+});
diff --git a/test/core/Spritesheet.js b/test/core/Spritesheet.js
index 283adf5..7601a0c 100644
--- a/test/core/Spritesheet.js
+++ b/test/core/Spritesheet.js
@@ -18,6 +18,7 @@
                 expect(textures[id]).to.be.an.instanceof(PIXI.Texture);
                 expect(textures[id].width).to.equal(spritesheet.data.frames[id].frame.w / spritesheet.resolution);
                 expect(textures[id].height).to.equal(spritesheet.data.frames[id].frame.h / spritesheet.resolution);
+                expect(textures[id].textureCacheId).to.equal(id);
                 spritesheet.destroy(true);
                 expect(spritesheet.textures).to.be.null;
                 expect(spritesheet.baseTexture).to.be.null;
diff --git a/test/core/Texture.js b/test/core/Texture.js
index 8c4ef98..241ec3e 100644
--- a/test/core/Texture.js
+++ b/test/core/Texture.js
@@ -16,4 +16,20 @@
         expect(PIXI.utils.TextureCache[URL]).to.equal(texture);
         expect(PIXI.utils.BaseTextureCache[URL]).to.equal(texture.baseTexture);
     });
+
+    it('should remove Texture from cache on destroy', function ()
+    {
+        const NAME = 'foo';
+        const NAME2 = 'bar';
+        const texture = new PIXI.Texture(new PIXI.BaseTexture());
+
+        PIXI.Texture.addTextureToCache(texture, NAME);
+        PIXI.Texture.addTextureToCache(texture, NAME2);
+        expect(texture.textureCacheId).to.equal(NAME);
+        expect(PIXI.utils.TextureCache[NAME]).to.equal(texture);
+        expect(PIXI.utils.TextureCache[NAME2]).to.equal(texture);
+        texture.destroy();
+        expect(PIXI.utils.TextureCache[NAME]).to.equal(undefined);
+        expect(PIXI.utils.TextureCache[NAME2]).to.equal(undefined);
+    });
 });
diff --git a/test/core/Ticker.js b/test/core/Ticker.js
new file mode 100644
index 0000000..188770f
--- /dev/null
+++ b/test/core/Ticker.js
@@ -0,0 +1,322 @@
+'use strict';
+
+const Ticker = PIXI.ticker.Ticker;
+const shared = PIXI.ticker.shared;
+
+describe('PIXI.ticker.Ticker', function ()
+{
+    before(function ()
+    {
+        this.length = (ticker) =>
+        {
+            ticker = ticker || shared;
+
+            if (!ticker._head || !ticker._head.next)
+            {
+                return 0;
+            }
+
+            let listener = ticker._head.next;
+            let i = 0;
+
+            while (listener)
+            {
+                listener = listener.next;
+                i++;
+            }
+
+            return i;
+        };
+    });
+
+    it('should be available', function ()
+    {
+        expect(Ticker).to.be.a.function;
+        expect(shared).to.be.an.instanceof(Ticker);
+    });
+
+    it('should create a new ticker and destroy it', function ()
+    {
+        const ticker = new Ticker();
+
+        ticker.start();
+
+        const listener = sinon.spy();
+
+        expect(this.length(ticker)).to.equal(0);
+
+        ticker.add(listener);
+
+        expect(this.length(ticker)).to.equal(1);
+
+        ticker.destroy();
+
+        expect(ticker._head).to.be.null;
+        expect(ticker.started).to.be.false;
+        expect(this.length(ticker)).to.equal(0);
+    });
+
+    it('should protect destroying shared ticker', function ()
+    {
+        shared.destroy();
+        expect(shared._head).to.not.be.null;
+        expect(shared.started).to.be.true;
+    });
+
+    it('should add and remove listener', function ()
+    {
+        const listener = sinon.spy();
+        const length = this.length();
+
+        shared.add(listener);
+
+        expect(this.length()).to.equal(length + 1);
+
+        shared.remove(listener);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should update a listener', function ()
+    {
+        const listener = sinon.spy();
+
+        shared.add(listener);
+        shared.update();
+
+        expect(listener.calledOnce).to.be.true;
+
+        shared.remove(listener);
+        shared.update();
+
+        expect(listener.calledOnce).to.be.true;
+    });
+
+    it('should update a listener twice and remove once', function ()
+    {
+        const listener = sinon.spy();
+        const length = this.length();
+
+        shared.add(listener).add(listener);
+        shared.update();
+
+        expect(listener.calledTwice).to.be.true;
+        expect(this.length()).to.equal(length + 2);
+
+        shared.remove(listener);
+        shared.update();
+
+        expect(listener.calledTwice).to.be.true;
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should respect priority order', function ()
+    {
+        const length = this.length();
+        const listener1 = sinon.spy();
+        const listener2 = sinon.spy();
+        const listener3 = sinon.spy();
+        const listener4 = sinon.spy();
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.LOW)
+            .add(listener4, null, PIXI.UPDATE_PRIORITY.INTERACTION)
+            .add(listener3, null, PIXI.UPDATE_PRIORITY.HIGH)
+            .add(listener2, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 4);
+
+        sinon.assert.callOrder(listener4, listener3, listener2, listener1);
+
+        shared.remove(listener1)
+            .remove(listener2)
+            .remove(listener3)
+            .remove(listener4);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should auto-remove once listeners', function ()
+    {
+        const length = this.length();
+        const listener = sinon.spy();
+
+        shared.addOnce(listener);
+
+        shared.update();
+
+        expect(listener.calledOnce).to.be.true;
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should call inserted item with a lower priority', function ()
+    {
+        const length = this.length();
+        const lowListener = sinon.spy();
+        const highListener = sinon.spy();
+        const mainListener = sinon.spy(() =>
+        {
+            shared.add(highListener, null, PIXI.UPDATE_PRIORITY.HIGH);
+            shared.add(lowListener, null, PIXI.UPDATE_PRIORITY.LOW);
+        });
+
+        shared.add(mainListener, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 3);
+
+        expect(mainListener.calledOnce).to.be.true;
+        expect(lowListener.calledOnce).to.be.true;
+        expect(highListener.calledOnce).to.be.false;
+
+        shared.remove(mainListener)
+            .remove(highListener)
+            .remove(lowListener);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should remove emit low-priority item during emit', function ()
+    {
+        const length = this.length();
+        const listener2 = sinon.spy();
+        const listener1 = sinon.spy(() =>
+        {
+            shared.add(listener2, null, PIXI.UPDATE_PRIORITY.LOW);
+        });
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 2);
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener1.calledOnce).to.be.true;
+
+        shared.remove(listener1)
+            .remove(listener2);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should remove itself on emit after adding new item', function ()
+    {
+        const length = this.length();
+        const listener2 = sinon.spy();
+        const listener1 = sinon.spy(() =>
+        {
+            shared.add(listener2, null, PIXI.UPDATE_PRIORITY.LOW);
+            shared.remove(listener1);
+
+            // listener is removed right away
+            expect(this.length()).to.equal(length + 1);
+        });
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 1);
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener1.calledOnce).to.be.true;
+
+        shared.remove(listener2);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should remove itself before, still calling new item', function ()
+    {
+        const length = this.length();
+        const listener2 = sinon.spy();
+        const listener1 = sinon.spy(() =>
+        {
+            shared.remove(listener1);
+            shared.add(listener2, null, PIXI.UPDATE_PRIORITY.LOW);
+
+            // listener is removed right away
+            expect(this.length()).to.equal(length + 1);
+        });
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 1);
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener1.calledOnce).to.be.true;
+
+        shared.remove(listener2);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should remove items before and after current priority', function ()
+    {
+        const length = this.length();
+        const listener2 = sinon.spy();
+        const listener3 = sinon.spy();
+        const listener4 = sinon.spy();
+
+        shared.add(listener2, null, PIXI.UPDATE_PRIORITY.HIGH);
+        shared.add(listener3, null, PIXI.UPDATE_PRIORITY.LOW);
+        shared.add(listener4, null, PIXI.UPDATE_PRIORITY.LOW);
+
+        const listener1 = sinon.spy(() =>
+        {
+            shared.remove(listener2)
+                .remove(listener3);
+
+            // listener is removed right away
+            expect(this.length()).to.equal(length + 2);
+        });
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 2);
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener3.calledOnce).to.be.false;
+        expect(listener4.calledOnce).to.be.true;
+        expect(listener1.calledOnce).to.be.true;
+
+        shared.update();
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener3.calledOnce).to.be.false;
+        expect(listener4.calledTwice).to.be.true;
+        expect(listener1.calledTwice).to.be.true;
+
+        shared.remove(listener1)
+            .remove(listener4);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should destroy on listener', function (done)
+    {
+        const ticker = new Ticker();
+        const listener2 = sinon.spy();
+        const listener = sinon.spy(() =>
+        {
+            ticker.destroy();
+            setTimeout(() =>
+            {
+                expect(listener2.called).to.be.false;
+                expect(listener.calledOnce).to.be.true;
+                done();
+            }, 0);
+        });
+
+        ticker.add(listener);
+        ticker.add(listener2, null, PIXI.UPDATE_PRIORITY.LOW);
+        ticker.start();
+    });
+});
diff --git a/test/core/TilingSprite.js b/test/core/TilingSprite.js
index 2e449a7..7694792 100644
--- a/test/core/TilingSprite.js
+++ b/test/core/TilingSprite.js
@@ -24,4 +24,25 @@
             expect(bounds.height).to.equal(600);
         });
     });
+
+    it('checks if tilingSprite contains a point', function ()
+    {
+        const texture = new PIXI.Texture(new PIXI.BaseTexture());
+        const tilingSprite = new PIXI.extras.TilingSprite(texture, 200, 300);
+
+        expect(tilingSprite.containsPoint(new PIXI.Point(1, 1))).to.equal(true);
+        expect(tilingSprite.containsPoint(new PIXI.Point(300, 400))).to.equal(false);
+    });
+
+    it('gets and sets height and width correctly', function ()
+    {
+        const texture = new PIXI.Texture(new PIXI.BaseTexture());
+        const tilingSprite = new PIXI.extras.TilingSprite(texture, 200, 300);
+
+        tilingSprite.width = 400;
+        tilingSprite.height = 600;
+
+        expect(tilingSprite.width).to.equal(400);
+        expect(tilingSprite.height).to.equal(600);
+    });
 });
diff --git a/test/core/index.js b/test/core/index.js
index 8530131..58dc30e 100755
--- a/test/core/index.js
+++ b/test/core/index.js
@@ -17,6 +17,7 @@
 require('./util');
 require('./Plane');
 require('./Point');
+require('./Polygon');
 require('./ObservablePoint');
 require('./Matrix');
 require('./Rectangle');
@@ -27,4 +28,5 @@
 require('./WebGLRenderer');
 require('./Ellipse');
 require('./Texture');
+require('./Ticker');
 require('./filters');
diff --git a/test/interaction/InteractionManager.js b/test/interaction/InteractionManager.js
index 0e7e707..31385b9 100644
--- a/test/interaction/InteractionManager.js
+++ b/test/interaction/InteractionManager.js
@@ -4,6 +4,16 @@
 
 describe('PIXI.interaction.InteractionManager', function ()
 {
+    afterEach(function ()
+    {
+        // if we made a MockPointer for the test, clean it up
+        if (this.pointer)
+        {
+            this.pointer.cleanUp();
+            this.pointer = null;
+        }
+    });
+
     describe('event basics', function ()
     {
         it('should call mousedown handler', function ()
@@ -11,7 +21,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const eventSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -29,7 +39,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const eventSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -47,7 +57,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const eventSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -66,7 +76,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const eventSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -84,7 +94,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const eventSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -286,7 +296,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const clickSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -304,7 +314,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const clickSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -316,6 +326,29 @@
 
             expect(clickSpy).to.not.have.been.called;
         });
+
+        it('should not call handler when mousedown not received', function ()
+        {
+            const stage = new PIXI.Container();
+            const graphics = new PIXI.Graphics();
+            const clickSpy = sinon.spy();
+            const pointer = new MockPointer(stage);
+
+            stage.addChild(graphics);
+            graphics.beginFill(0xFFFFFF);
+            graphics.drawRect(0, 0, 50, 50);
+            graphics.interactive = true;
+            graphics.on('click', clickSpy);
+
+            pointer.mouseup(10, 10);
+
+            expect(clickSpy, 'click should not happen on first mouseup').to.not.have.been.called;
+
+            // test again, just because it was a bug that was reported
+            pointer.mouseup(20, 20);
+
+            expect(clickSpy, 'click should not happen on second mouseup').to.not.have.been.called;
+        });
     });
 
     describe('onTap', function ()
@@ -325,7 +358,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const clickSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -343,7 +376,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const clickSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -359,32 +392,62 @@
 
     describe('overlapping children', function ()
     {
-        function getScene(callbackEventName)
+        function getScene(callbackEventName, splitParents)
         {
             const behindChild = new PIXI.Graphics();
             const frontChild = new PIXI.Graphics();
             const parent = new PIXI.Container();
-            const behindChildCallback = sinon.spy();
-            const frontChildCallback = sinon.spy();
-            const parentCallback = sinon.spy();
+            const behindChildCallback = sinon.spy(function behindSpy() { /* no op*/ });
+            const frontChildCallback = sinon.spy(function frontSpy() { /* no op*/ });
+            const parentCallback = sinon.spy(function parentSpy() { /* no op*/ });
+            let behindParent;
+            let frontParent;
+            let behindParentCallback;
+            let frontParentCallback;
 
             behindChild.beginFill(0xFF);
             behindChild.drawRect(0, 0, 50, 50);
             behindChild.on(callbackEventName, behindChildCallback);
+            behindChild.name = 'behind';
 
             frontChild.beginFill(0x00FF);
             frontChild.drawRect(0, 0, 50, 50);
             frontChild.on(callbackEventName, frontChildCallback);
+            frontChild.name = 'front';
 
-            parent.addChild(behindChild, frontChild);
+            if (splitParents)
+            {
+                behindParent = new PIXI.Container();
+                behindParent.name = 'behindParent';
+                frontParent = new PIXI.Container();
+                frontParent.name = 'frontParent';
+                behindParentCallback = sinon.spy(function behindParentSpy() { /* no op*/ });
+                frontParentCallback = sinon.spy(function frontParentSpy() { /* no op*/ });
+                behindParent.on(callbackEventName, behindParentCallback);
+                frontParent.on(callbackEventName, frontParentCallback);
+
+                parent.addChild(behindParent, frontParent);
+                behindParent.addChild(behindChild);
+                frontParent.addChild(frontChild);
+
+                parent.name = 'parent';
+            }
+            else
+            {
+                parent.addChild(behindChild, frontChild);
+            }
             parent.on(callbackEventName, parentCallback);
 
             return {
                 behindChild,
                 frontChild,
+                behindParent,
+                frontParent,
                 parent,
                 behindChildCallback,
                 frontChildCallback,
+                behindParentCallback,
+                frontParentCallback,
                 parentCallback,
             };
         }
@@ -396,7 +459,7 @@
                 it('should callback front child when clicking front child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -414,7 +477,7 @@
                 it('should callback front child when clicking overlap', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -432,7 +495,7 @@
                 it('should callback behind child when clicking behind child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -446,6 +509,48 @@
                     expect(scene.behindChildCallback).to.have.been.calledOnce;
                     expect(scene.parentCallback).to.not.have.been.called;
                 });
+
+                it('should callback front child of different non-interactive parents when clicking overlap', function ()
+                {
+                    const stage = new PIXI.Container();
+                    const pointer = this.pointer = new MockPointer(stage);
+                    const scene = getScene('click', true);
+
+                    scene.behindChild.interactive = true;
+                    scene.behindChild.x = 25;
+                    scene.frontChild.interactive = true;
+
+                    stage.addChild(scene.parent);
+                    pointer.click(40, 10);
+
+                    expect(scene.behindChildCallback).to.not.have.been.called;
+                    expect(scene.frontChildCallback).to.have.been.calledOnce;
+                    expect(scene.parentCallback).to.not.have.been.called;
+                    expect(scene.behindParentCallback).to.not.have.been.called;
+                    expect(scene.frontParentCallback).to.not.have.been.called;
+                });
+
+                it('should callback front child of different interactive parents when clicking overlap', function ()
+                {
+                    const stage = new PIXI.Container();
+                    const pointer = this.pointer = new MockPointer(stage);
+                    const scene = getScene('click', true);
+
+                    scene.behindChild.interactive = true;
+                    scene.behindChild.x = 25;
+                    scene.frontChild.interactive = true;
+                    scene.behindParent.interactive = true;
+                    scene.frontParent.interactive = true;
+
+                    stage.addChild(scene.parent);
+                    pointer.click(40, 10);
+
+                    expect(scene.behindChildCallback).to.not.have.been.called;
+                    expect(scene.frontChildCallback).to.have.been.calledOnce;
+                    expect(scene.parentCallback).to.not.have.been.called;
+                    expect(scene.behindParentCallback).to.not.have.been.called;
+                    expect(scene.frontParentCallback).to.have.been.calledOnce;
+                });
             });
 
             describe('when front child is non-interactive', function ()
@@ -453,7 +558,7 @@
                 it('should not callback when clicking front child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -470,7 +575,7 @@
                 it('should callback behind child when clicking overlap', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -487,7 +592,7 @@
                 it('should callback behind child when clicking behind child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -507,7 +612,7 @@
                 it('should callback front child when clicking front child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.x = 25;
@@ -524,7 +629,7 @@
                 it('should callback front child when clicking overlap', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.x = 25;
@@ -541,7 +646,7 @@
                 it('should not callback when clicking behind child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.x = 25;
@@ -564,7 +669,7 @@
                 it('should callback parent and front child when clicking front child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -583,7 +688,7 @@
                 it('should callback parent and front child when clicking overlap', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -602,7 +707,7 @@
                 it('should callback parent and behind child when clicking behind child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -617,6 +722,50 @@
                     expect(scene.behindChildCallback).to.have.been.calledOnce;
                     expect(scene.parentCallback).to.have.been.calledOnce;
                 });
+
+                it('should callback front child of different non-interactive parents when clicking overlap', function ()
+                {
+                    const stage = new PIXI.Container();
+                    const pointer = this.pointer = new MockPointer(stage);
+                    const scene = getScene('click', true);
+
+                    scene.behindChild.interactive = true;
+                    scene.behindChild.x = 25;
+                    scene.frontChild.interactive = true;
+                    scene.parent.interactive = true;
+
+                    stage.addChild(scene.parent);
+                    pointer.click(40, 10);
+
+                    expect(scene.behindChildCallback).to.not.have.been.called;
+                    expect(scene.frontChildCallback).to.have.been.calledOnce;
+                    expect(scene.parentCallback).to.have.been.calledOnce;
+                    expect(scene.behindParentCallback).to.not.have.been.called;
+                    expect(scene.frontParentCallback).to.not.have.been.called;
+                });
+
+                it('should callback front child of different interactive parents when clicking overlap', function ()
+                {
+                    const stage = new PIXI.Container();
+                    const pointer = this.pointer = new MockPointer(stage);
+                    const scene = getScene('click', true);
+
+                    scene.behindChild.interactive = true;
+                    scene.behindChild.x = 25;
+                    scene.frontChild.interactive = true;
+                    scene.parent.interactive = true;
+                    scene.behindParent.interactive = true;
+                    scene.frontParent.interactive = true;
+
+                    stage.addChild(scene.parent);
+                    pointer.click(40, 10);
+
+                    expect(scene.behindChildCallback).to.not.have.been.called;
+                    expect(scene.frontChildCallback).to.have.been.calledOnce;
+                    expect(scene.parentCallback).to.have.been.calledOnce;
+                    expect(scene.behindParentCallback).to.not.have.been.called;
+                    expect(scene.frontParentCallback).to.have.been.calledOnce;
+                });
             });
 
             describe('when front child is non-interactive', function ()
@@ -624,7 +773,7 @@
                 it('should callback parent when clicking front child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -642,7 +791,7 @@
                 it('should callback parent and behind child when clicking overlap', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -660,7 +809,7 @@
                 it('should callback parent and behind child when clicking behind child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -681,7 +830,7 @@
                 it('should callback parent and front child when clicking front child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.x = 25;
@@ -699,7 +848,7 @@
                 it('should callback parent and front child when clicking overlap', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.x = 25;
@@ -717,7 +866,7 @@
                 it('should callback parent when clicking behind child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.x = 25;
@@ -733,6 +882,42 @@
                 });
             });
         });
+
+        it('Semi-complicated nesting with overlap, should not call behind callback', function ()
+        {
+            const stage = new PIXI.Container();
+            const frontParent = new PIXI.Container();
+            const frontChild = new PIXI.Graphics();
+            const behindParent = new PIXI.Container();
+            const subParent = new PIXI.Container();
+            const behindChild = new PIXI.Graphics();
+            const behindCallback = sinon.spy(function behindSpy() { /* no op*/ });
+            const frontCallback = sinon.spy(function frontSpy() { /* no op*/ });
+
+            behindChild.beginFill(0xFF);
+            behindChild.drawRect(0, 0, 50, 50);
+            subParent.on('click', behindCallback);
+
+            frontChild.beginFill(0x00FF);
+            frontChild.drawRect(0, 0, 50, 50);
+            frontParent.on('click', frontCallback);
+            const pointer = this.pointer = new MockPointer(stage);
+
+            behindParent.x = 25;
+            subParent.interactive = true;
+            frontParent.interactive = true;
+
+            behindParent.addChild(subParent);
+            subParent.addChild(behindChild);
+            stage.addChild(behindParent);
+            frontParent.addChild(frontChild);
+            stage.addChild(frontParent);
+
+            pointer.click(40, 10);
+
+            expect(behindCallback).to.not.have.been.called;
+            expect(frontCallback).to.have.been.calledOnce;
+        });
     });
 
     describe('cursor changes', function ()
@@ -741,7 +926,7 @@
         {
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -759,7 +944,7 @@
         {
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -778,7 +963,7 @@
         {
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -797,7 +982,7 @@
         {
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -818,7 +1003,7 @@
             const graphics = new PIXI.Graphics();
             const overSpy = sinon.spy();
             const defaultSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -840,7 +1025,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const defaultSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -859,7 +1044,7 @@
         {
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -881,7 +1066,7 @@
         {
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -932,7 +1117,7 @@
             it('should stop hitTesting after first hit', function ()
             {
                 const scene = getScene();
-                const pointer = new MockPointer(scene.stage);
+                const pointer = this.pointer = new MockPointer(scene.stage);
                 const frontHitTest = sinon.spy(scene.frontChild, 'containsPoint');
                 const middleHitTest = sinon.spy(scene.middleChild, 'containsPoint');
                 const behindHitTest = sinon.spy(scene.behindChild, 'containsPoint');
@@ -954,7 +1139,7 @@
             it('should stop hitTesting after first hit', function ()
             {
                 const scene = getScene();
-                const pointer = new MockPointer(scene.stage);
+                const pointer = this.pointer = new MockPointer(scene.stage);
                 const frontHitTest = sinon.spy(scene.frontChild, 'containsPoint');
                 const middleHitTest = sinon.spy(scene.middleChild, 'containsPoint');
                 const behindHitTest = sinon.spy(scene.behindChild, 'containsPoint');
@@ -971,4 +1156,127 @@
             });
         });
     });
+
+    describe('pointer handling', function ()
+    {
+        it('pointer event from mouse should use single mouse data', function ()
+        {
+            const stage = new PIXI.Container();
+            const graphics = new PIXI.Graphics();
+            const pointer = this.pointer = new MockPointer(stage, 100, 100, true);
+
+            stage.addChild(graphics);
+            graphics.beginFill(0xFFFFFF);
+            graphics.drawRect(0, 0, 50, 50);
+            graphics.interactive = true;
+
+            pointer.mousemove(20, 10, true);
+
+            expect(pointer.interaction.mouse.global.x).to.equal(20);
+            expect(pointer.interaction.mouse.global.y).to.equal(10);
+        });
+    });
+
+    describe('data cleanup', function ()
+    {
+        it('touchleave after touchout should not orphan data', function ()
+        {
+            const stage = new PIXI.Container();
+            const graphics = new PIXI.Graphics();
+            const pointer = this.pointer = new MockPointer(stage);
+
+            stage.addChild(graphics);
+            graphics.beginFill(0xFFFFFF);
+            graphics.drawRect(0, 0, 50, 50);
+            graphics.interactive = true;
+
+            pointer.touchstart(10, 10, 42);
+            expect(pointer.interaction.activeInteractionData[42]).to.exist;
+            pointer.touchend(10, 10, 42);
+            expect(pointer.interaction.activeInteractionData[42]).to.be.undefined;
+            pointer.touchleave(10, 10, 42);
+            expect(pointer.interaction.activeInteractionData[42]).to.be.undefined;
+        });
+    });
+
+    describe('hitTest()', function ()
+    {
+        it('should return hit', function ()
+        {
+            const stage = new PIXI.Container();
+            const graphics = new PIXI.Graphics();
+            const pointer = this.pointer = new MockPointer(stage);
+
+            stage.addChild(graphics);
+            graphics.beginFill(0xFFFFFF);
+            graphics.drawRect(0, 0, 50, 50);
+            graphics.interactive = true;
+
+            pointer.render();
+            const hit = pointer.interaction.hitTest(new PIXI.Point(10, 10));
+
+            expect(hit).to.equal(graphics);
+        });
+
+        it('should return null if not hit', function ()
+        {
+            const stage = new PIXI.Container();
+            const graphics = new PIXI.Graphics();
+            const pointer = this.pointer = new MockPointer(stage);
+
+            stage.addChild(graphics);
+            graphics.beginFill(0xFFFFFF);
+            graphics.drawRect(0, 0, 50, 50);
+            graphics.interactive = true;
+
+            pointer.render();
+            const hit = pointer.interaction.hitTest(new PIXI.Point(60, 60));
+
+            expect(hit).to.be.null;
+        });
+
+        it('should return top thing that was hit', function ()
+        {
+            const stage = new PIXI.Container();
+            const graphics = new PIXI.Graphics();
+            const behind = new PIXI.Graphics();
+            const pointer = this.pointer = new MockPointer(stage);
+
+            stage.addChild(behind);
+            stage.addChild(graphics);
+            graphics.beginFill(0xFFFFFF);
+            graphics.drawRect(0, 0, 50, 50);
+            graphics.interactive = true;
+            behind.beginFill(0xFFFFFF);
+            behind.drawRect(0, 0, 50, 50);
+            behind.interactive = true;
+
+            pointer.render();
+            const hit = pointer.interaction.hitTest(new PIXI.Point(10, 10));
+
+            expect(hit).to.equal(graphics);
+        });
+
+        it('should return hit when passing in root', function ()
+        {
+            const stage = new PIXI.Container();
+            const graphics = new PIXI.Graphics();
+            const behind = new PIXI.Graphics();
+            const pointer = this.pointer = new MockPointer(stage);
+
+            stage.addChild(behind);
+            stage.addChild(graphics);
+            graphics.beginFill(0xFFFFFF);
+            graphics.drawRect(0, 0, 50, 50);
+            graphics.interactive = true;
+            behind.beginFill(0xFFFFFF);
+            behind.drawRect(0, 0, 50, 50);
+            behind.interactive = true;
+
+            pointer.render();
+            const hit = pointer.interaction.hitTest(new PIXI.Point(10, 10), behind);
+
+            expect(hit).to.equal(behind);
+        });
+    });
 });
diff --git a/test/interaction/MockPointer.js b/test/interaction/MockPointer.js
index 67878af..c9c6228 100644
--- a/test/interaction/MockPointer.js
+++ b/test/interaction/MockPointer.js
@@ -11,13 +11,43 @@
      * @param {PIXI.Container} stage - The root of the scene tree
      * @param {number} [width=100] - Width of the renderer
      * @param {number} [height=100] - Height of the renderer
+     * @param {boolean} [ensurePointerEvents=false] - If we should make sure that PointerEvents are 'supported'
      */
-    constructor(stage, width, height)
+    constructor(stage, width, height, ensurePointerEvents)
     {
+        // fake PointerEvent existing
+        if (ensurePointerEvents && !window.PointerEvent)
+        {
+            window.PointerEvent = class PointerEvent extends MouseEvent
+            {
+                //eslint-disable-next-line
+                constructor(type, opts)
+                {
+                    super(type, opts);
+                    this.pointerType = opts.pointerType;
+                }
+            };
+            this.createdPointerEvent = true;
+        }
+
         this.stage = stage;
         this.renderer = new PIXI.CanvasRenderer(width || 100, height || 100);
         this.renderer.sayHello = () => { /* empty */ };
         this.interaction = this.renderer.plugins.interaction;
+        this.interaction.supportsTouchEvents = true;
+        PIXI.ticker.shared.remove(this.interaction.update, this.interaction);
+    }
+
+    /**
+     * Cleans up after tests
+     */
+    cleanup()
+    {
+        if (this.createdPointerEvent)
+        {
+            delete window.PointerEvent;
+        }
+        this.renderer.destroy();
     }
 
     /**
@@ -45,14 +75,29 @@
     /**
      * @param {number} x - pointer x position
      * @param {number} y - pointer y position
+     * @param {boolean} [asPointer] - if it should be a PointerEvent from a mouse
      */
-    mousemove(x, y)
+    mousemove(x, y, asPointer)
     {
-        const mouseEvent = new MouseEvent('mousemove', {
-            clientX: x,
-            clientY: y,
-            preventDefault: sinon.stub(),
-        });
+        let mouseEvent;
+
+        if (asPointer)
+        {
+            mouseEvent = new PointerEvent('pointermove', {
+                pointerType: 'mouse',
+                clientX: x,
+                clientY: y,
+                preventDefault: sinon.stub(),
+            });
+        }
+        else
+        {
+            mouseEvent = new MouseEvent('mousemove', {
+                clientX: x,
+                clientY: y,
+                preventDefault: sinon.stub(),
+            });
+        }
 
         this.setPosition(x, y);
         this.render();
@@ -97,9 +142,15 @@
      */
     mousedown(x, y)
     {
+        const mouseEvent = new MouseEvent('mousedown', {
+            clientX: x,
+            clientY: y,
+            preventDefault: sinon.stub(),
+        });
+
         this.setPosition(x, y);
         this.render();
-        this.interaction.onMouseDown({ clientX: 0, clientY: 0, preventDefault: sinon.stub() });
+        this.interaction.onPointerDown(mouseEvent);
     }
 
     /**
@@ -108,47 +159,83 @@
      */
     mouseup(x, y)
     {
-        this.setPosition(x, y);
-        this.render();
-        this.interaction.onMouseUp({ clientX: 0, clientY: 0, preventDefault: sinon.stub() });
-    }
-
-    /**
-     * @param {number} x - pointer x position
-     * @param {number} y - pointer y position
-     */
-    tap(x, y)
-    {
-        this.touchstart(x, y);
-        this.touchend(x, y);
-    }
-
-    /**
-     * @param {number} x - pointer x position
-     * @param {number} y - pointer y position
-     */
-    touchstart(x, y)
-    {
-        this.setPosition(x, y);
-        this.render();
-        this.interaction.onTouchStart({
+        const mouseEvent = new MouseEvent('mouseup', {
+            clientX: x,
+            clientY: y,
             preventDefault: sinon.stub(),
-            changedTouches: [new Touch({ identifier: 0, target: this.renderer.view })],
         });
+
+        this.setPosition(x, y);
+        this.render();
+        this.interaction.onPointerUp(mouseEvent);
     }
 
     /**
      * @param {number} x - pointer x position
      * @param {number} y - pointer y position
+     * @param {number} [identifier] - pointer id
      */
-    touchend(x, y)
+    tap(x, y, identifier)
     {
+        this.touchstart(x, y, identifier);
+        this.touchend(x, y, identifier);
+    }
+
+    /**
+     * @param {number} x - pointer x position
+     * @param {number} y - pointer y position
+     * @param {number} [identifier] - pointer id
+     */
+    touchstart(x, y, identifier)
+    {
+        const touchEvent = new TouchEvent('touchstart', {
+            preventDefault: sinon.stub(),
+            changedTouches: [
+                new Touch({ identifier: identifier || 0, target: this.renderer.view }),
+            ],
+        });
+
         this.setPosition(x, y);
         this.render();
-        this.interaction.onTouchEnd({
+        this.interaction.onPointerDown(touchEvent);
+    }
+
+    /**
+     * @param {number} x - pointer x position
+     * @param {number} y - pointer y position
+     * @param {number} [identifier] - pointer id
+     */
+    touchend(x, y, identifier)
+    {
+        const touchEvent = new TouchEvent('touchend', {
             preventDefault: sinon.stub(),
-            changedTouches: [new Touch({ identifier: 0, target: this.renderer.view })],
+            changedTouches: [
+                new Touch({ identifier: identifier || 0, target: this.renderer.view }),
+            ],
         });
+
+        this.setPosition(x, y);
+        this.render();
+        this.interaction.onPointerUp(touchEvent);
+    }
+
+    /**
+     * @param {number} x - pointer x position
+     * @param {number} y - pointer y position
+     * @param {number} [identifier] - pointer id
+     */
+    touchleave(x, y, identifier)
+    {
+        const touchEvent = new TouchEvent('touchleave', {
+            preventDefault: sinon.stub(),
+            changedTouches: [
+                new Touch({ identifier: identifier || 0, target: this.renderer.view }),
+            ],
+        });
+
+        this.setPosition(x, y);
+        this.render();
+        this.interaction.onPointerOut(touchEvent);
     }
 }
 

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line
diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 02d53a3..449f8cc 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -30,7 +30,10 @@
         /**
          * When passed to an event handler, this will be the original DOM Event that was captured
          *
-         * @member {Event}
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+         * @member {MouseEvent|TouchEvent|PointerEvent}
          */
         this.originalEvent = null;
     }
diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 8baf13a..2d75c7c 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -13,6 +13,14 @@
 
 const MOUSE_POINTER_ID = 'MOUSE';
 
+// helpers for hitTest() - only used inside hitTest()
+const hitTestEvent = {
+    target: null,
+    data: {
+        global: null,
+    },
+};
+
 /**
  * The interaction manager deals with mouse, touch and pointer events. Any DisplayObject can be interactive
  * if its interactive parameter is set to true
@@ -245,67 +253,60 @@
         this.setTargetElement(this.renderer.view, this.renderer.resolution);
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed on the display
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display
          * object.
          *
-         * @event mousedown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * on the display object.
          *
-         * @event rightdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released over the display
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
          * object.
          *
-         * @event mouseup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is released
          * over the display object.
          *
-         * @event rightup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed and released on
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
          * the display object.
          *
-         * @event click
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * and released on the display object.
          *
-         * @event rightclick
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released outside the
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
          * display object that initially registered a
          * [mousedown]{@link PIXI.interaction.InteractionManager#event:mousedown}.
          *
-         * @event mouseupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
@@ -313,146 +314,362 @@
          * outside the display object that initially registered a
          * [rightdown]{@link PIXI.interaction.InteractionManager#event:rightdown}.
          *
-         * @event rightupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved while over the display object
          *
-         * @event mousemove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved onto the display object
          *
-         * @event mouseover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved off the display object
          *
-         * @event mouseout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed on the display object.
          *
-         * @event pointerdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released over the display object.
          *
-         * @event pointerup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a pointer event
          *
-         * @event pointercancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed and released on the display object.
          *
-         * @event pointertap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released outside the display object that initially
          * registered a [pointerdown]{@link PIXI.interaction.InteractionManager#event:pointerdown}.
          *
-         * @event pointerupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved while over the display object
          *
-         * @event pointermove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved onto the display object
          *
-         * @event pointerover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved off the display object
          *
-         * @event pointerout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed on the display object.
          *
-         * @event touchstart
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed from the display object.
          *
-         * @event touchend
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a touch
          *
-         * @event touchcancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed and removed from the display object.
          *
-         * @event tap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed outside of the display object that initially
          * registered a [touchstart]{@link PIXI.interaction.InteractionManager#event:touchstart}.
          *
-         * @event touchendoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is moved along the display object.
          *
-         * @event touchmove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display.
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * over the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
+         * the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * and released on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
+         * display object that initially registered a
+         * [mousedown]{@link PIXI.DisplayObject#event:mousedown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * outside the display object that initially registered a
+         * [rightdown]{@link PIXI.DisplayObject#event:rightdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a pointer event.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed and released on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released outside the display object that initially
+         * registered a [pointerdown]{@link PIXI.DisplayObject#event:pointerdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a touch.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed and removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed outside of the display object that initially
+         * registered a [touchstart]{@link PIXI.DisplayObject#event:touchstart}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is moved along the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+    }
+
+    /**
+     * Hit tests a point against the display tree, returning the first interactive object that is hit.
+     *
+     * @param {PIXI.Point} globalPoint - A point to hit test with, in global space.
+     * @param {PIXI.Container} [root] - The root display object to start from. If omitted, defaults
+     * to the last rendered root of the associated renderer.
+     * @return {PIXI.DisplayObject} The hit display object, if any.
+     */
+    hitTest(globalPoint, root)
+    {
+        // clear the target for our hit test
+        hitTestEvent.target = null;
+        // assign the global point
+        hitTestEvent.data.global = globalPoint;
+        // ensure safety of the root
+        if (!root)
+        {
+            root = this.renderer._lastObjectRendered;
+        }
+        // run the hit test
+        this.processInteractive(hitTestEvent, root, null, true);
+        // return our found object - it'll be null if we didn't hit anything
+
+        return hitTestEvent.target;
     }
 
     /**
@@ -487,7 +704,7 @@
             return;
         }
 
-        core.ticker.shared.add(this.update, this);
+        core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.INTERACTION);
 
         if (window.navigator.msPointerEnabled)
         {
@@ -804,8 +1021,6 @@
             }
         }
 
-        let keepHitTestingAfterChildren = hitTest;
-
         // ** FREE TIP **! If an object is not interactive or has no buttons in it
         // (such as a game scene!) set interactiveChildren to false for that displayObject.
         // This will allow pixi to completely ignore and bypass checking the displayObjects children.
@@ -818,7 +1033,9 @@
                 const child = children[i];
 
                 // time to get recursive.. if this function will return if something is hit..
-                if (this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent))
+                const childHit = this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent);
+
+                if (childHit)
                 {
                     // its a good idea to check if a child has lost its parent.
                     // this means it has been removed whilst looping so its best
@@ -827,8 +1044,6 @@
                         continue;
                     }
 
-                    hit = true;
-
                     // we no longer need to hit test any more objects in this container as we we
                     // now know the parent has been hit
                     interactiveParent = false;
@@ -838,36 +1053,41 @@
                     // This means we no longer need to hit test anything else. We still need to run
                     // through all objects, but we don't need to perform any hit tests.
 
-                    keepHitTestingAfterChildren = false;
-
-                    if (child.interactive)
+                    if (childHit)
                     {
-                        hitTest = false;
+                        if (interactionEvent.target)
+                        {
+                            hitTest = false;
+                        }
+                        hit = true;
                     }
-
-                    // we can break now as we have hit an object.
                 }
             }
         }
 
-        hitTest = keepHitTestingAfterChildren;
-
         // no point running this if the item is not interactive or does not have an interactive parent.
         if (interactive)
         {
             // if we are hit testing (as in we have no hit any objects yet)
             // We also don't need to worry about hit testing if once of the displayObjects children
-            // has already been hit!
-            if (hitTest && !hit)
+            // has already been hit - but only if it was interactive, otherwise we need to keep
+            // looking for an interactive child, just in case we hit one
+            if (hitTest && !interactionEvent.target)
             {
                 if (displayObject.hitArea)
                 {
                     displayObject.worldTransform.applyInverse(point, this._tempPoint);
-                    hit = displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y);
+                    if (displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y))
+                    {
+                        hit = true;
+                    }
                 }
                 else if (displayObject.containsPoint)
                 {
-                    hit = displayObject.containsPoint(point);
+                    if (displayObject.containsPoint(point))
+                    {
+                        hit = true;
+                    }
                 }
             }
 
@@ -878,7 +1098,10 @@
                     interactionEvent.target = displayObject;
                 }
 
-                func(interactionEvent, displayObject, hit);
+                if (func)
+                {
+                    func(interactionEvent, displayObject, !!hit);
+                }
             }
         }
 
@@ -914,7 +1137,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -998,7 +1221,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1098,7 +1321,7 @@
 
             const test = isRightButton ? flags.RIGHT_DOWN : flags.LEFT_DOWN;
 
-            const isDown = trackingData !== undefined && (trackingData.flags | test);
+            const isDown = trackingData !== undefined && (trackingData.flags & test);
 
             if (hit)
             {
@@ -1118,11 +1341,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }
@@ -1180,7 +1403,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1255,7 +1478,7 @@
             this.setCursorMode(null);
         }
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1268,6 +1491,12 @@
         {
             this.emit('mouseout', interactionEvent);
         }
+        else
+        {
+            // we can get touchleave events after touchend, so we want to make sure we don't
+            // introduce memory leaks
+            this.releaseInteractionDataForPointerId(interactionData.identifier);
+        }
     }
 
     /**
@@ -1344,7 +1573,7 @@
         // Only mouse and pointer can call onPointerOver, so events will always be length 1
         const event = events[0];
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1366,12 +1595,14 @@
      * Get InteractionData for a given pointerId. Store that data as well
      *
      * @private
-     * @param {number} pointerId - Identifier from a pointer event
+     * @param {PointerEvent} event - Normalized pointer event, output from normalizeToPointerData
      * @return {InteractionData} - Interaction data for the given pointer identifier
      */
-    getInteractionDataForPointerId(pointerId)
+    getInteractionDataForPointerId(event)
     {
-        if (pointerId === MOUSE_POINTER_ID)
+        const pointerId = event.pointerId;
+
+        if (pointerId === MOUSE_POINTER_ID || event.pointerType === 'mouse')
         {
             return this.mouse;
         }
diff --git a/src/interaction/InteractionTrackingData.js b/src/interaction/InteractionTrackingData.js
index 6a1f69e..8493b63 100644
--- a/src/interaction/InteractionTrackingData.js
+++ b/src/interaction/InteractionTrackingData.js
@@ -35,8 +35,10 @@
     }
 
     /**
+     * Unique pointer id of the event
+     *
      * @readonly
-     * @type {number} Unique pointer id of the event
+     * @member {number}
      */
     get pointerId()
     {
diff --git a/src/interaction/index.js b/src/interaction/index.js
index 56c5b09..72f7d71 100644
--- a/src/interaction/index.js
+++ b/src/interaction/index.js
@@ -1,4 +1,8 @@
 /**
+ * This namespace contains a renderer plugin for handling mouse, pointer, and touch events.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.interaction
  */
 export { default as InteractionData } from './InteractionData';
diff --git a/src/interaction/interactiveTarget.js b/src/interaction/interactiveTarget.js
index d252fba..cebac40 100644
--- a/src/interaction/interactiveTarget.js
+++ b/src/interaction/interactiveTarget.js
@@ -2,7 +2,7 @@
  * Default property values of interactive objects
  * Used by {@link PIXI.interaction.InteractionManager} to automatically give all DisplayObjects these properties
  *
- * @mixin
+ * @private
  * @name interactiveTarget
  * @memberof PIXI.interaction
  * @example
@@ -14,18 +14,28 @@
  *      );
  */
 export default {
+
     /**
-     * Determines if the displayObject be clicked/touched
+     * Enable interaction events for the DisplayObject. Touch, pointer and mouse
+     * events will not be emitted unless `interactive` is set to `true`.
      *
-     * @inner {boolean}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.on('tap', (event) => {
+     *    //handle event
+     * });
+     * @member {boolean}
+     * @memberof PIXI.DisplayObject#
      */
     interactive: false,
 
     /**
      * Determines if the children to the displayObject can be clicked/touched
-     * Setting this to false allows pixi to bypass a recursive hitTest function
+     * Setting this to false allows pixi to bypass a recursive `hitTest` function
      *
-     * @inner {boolean}
+     * @member {boolean}
+     * @memberof PIXI.Container#
      */
     interactiveChildren: true,
 
@@ -33,7 +43,12 @@
      * Interaction shape. Children will be hit first, then this shape will be checked.
      * Setting this will cause this shape to be checked in hit tests rather than the displayObject's bounds.
      *
-     * @inner {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.hitArea = new PIXI.Rectangle(0, 0, 100, 100);
+     * @member {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @memberof PIXI.DisplayObject#
      */
     hitArea: null,
 
@@ -41,8 +56,12 @@
      * If enabled, the mouse cursor use the pointer behavior when hovered over the displayObject if it is interactive
      * Setting this changes the 'cursor' property to `'pointer'`.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.buttonMode = true;
      * @member {boolean}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      */
     get buttonMode()
     {
@@ -64,9 +83,14 @@
      * This defines what cursor mode is used when the mouse cursor
      * is hovered over the displayObject.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.cursor = 'wait';
      * @see https://developer.mozilla.org/en/docs/Web/CSS/cursor
      *
-     * @inner {string}
+     * @member {string}
+     * @memberof PIXI.DisplayObject#
      */
     cursor: null,
 
@@ -74,7 +98,7 @@
      * Internal set of all active pointers, by identifier
      *
      * @member {Map<number, InteractionTrackingData>}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      * @private
      */
     get trackedPointers()
@@ -87,7 +111,8 @@
     /**
      * Map of all tracked pointers, by identifier. Use trackedPointers to access.
      *
-     * @private {Map<number, InteractionTrackingData>}
+     * @private
+     * @type {Map<number, InteractionTrackingData>}
      */
     _trackedPointers: undefined,
 };
diff --git a/src/loaders/index.js b/src/loaders/index.js
index 5189793..daa1fc4 100644
--- a/src/loaders/index.js
+++ b/src/loaders/index.js
@@ -1,9 +1,22 @@
+import Application from '../core/Application';
+import Loader from './loader';
+
 /**
+ * This namespace contains APIs which extends the {@link https://github.com/englercj/resource-loader resource-loader} module
+ * for loading assets, data, and other resources dynamically.
+ * @example
+ * const loader = new PIXI.loaders.Loader();
+ * loader.add('bunny', 'data/bunny.png')
+ *       .add('spaceship', 'assets/spritesheet.json');
+ * loader.load((loader, resources) => {
+ *    // resources.bunny
+ *    // resources.spaceship
+ * });
  * @namespace PIXI.loaders
  */
-export { default as Loader } from './loader';
+export { Loader };
 export { default as bitmapFontParser, parse as parseBitmapFontData } from './bitmapFontParser';
-export { default as spritesheetParser } from './spritesheetParser';
+export { default as spritesheetParser, getResourcePath } from './spritesheetParser';
 export { default as textureParser } from './textureParser';
 
 /**
@@ -13,3 +26,55 @@
  * @memberof PIXI.loaders
  */
 export { Resource } from 'resource-loader';
+
+/**
+ * A premade instance of the loader that can be used to load resources.
+ * @name shared
+ * @memberof PIXI.loaders
+ * @type {PIXI.loaders.Loader}
+ */
+const shared = new Loader();
+
+shared.destroy = () =>
+{
+    // protect destroying shared loader
+};
+
+export { shared };
+
+// Mixin the loader construction
+const AppPrototype = Application.prototype;
+
+AppPrototype._loader = null;
+
+/**
+ * Loader instance to help with asset loading.
+ * @name PIXI.Application#loader
+ * @type {PIXI.loaders.Loader}
+ */
+Object.defineProperty(AppPrototype, 'loader', {
+    get()
+    {
+        if (!this._loader)
+        {
+            const sharedLoader = this._options.sharedLoader;
+
+            this._loader = sharedLoader ? shared : new Loader();
+        }
+
+        return this._loader;
+    },
+});
+
+// Override the destroy function
+// making sure to destroy the current Loader
+AppPrototype._parentDestroy = AppPrototype.destroy;
+AppPrototype.destroy = function destroy()
+{
+    if (this._loader)
+    {
+        this._loader.destroy();
+        this._loader = null;
+    }
+    this._parentDestroy();
+};
diff --git a/src/loaders/loader.js b/src/loaders/loader.js
index 767a411..59b8000 100644
--- a/src/loaders/loader.js
+++ b/src/loaders/loader.js
@@ -90,6 +90,15 @@
     {
         Loader._pixiMiddleware.push(fn);
     }
+
+    /**
+     * Destroy the loader, removes references.
+     */
+    destroy()
+    {
+        this.removeAllListeners();
+        this.reset();
+    }
 }
 
 // Copy EE3 prototype (mixin)
diff --git a/src/loaders/spritesheetParser.js b/src/loaders/spritesheetParser.js
index e57dfb2..eda9584 100644
--- a/src/loaders/spritesheetParser.js
+++ b/src/loaders/spritesheetParser.js
@@ -1,12 +1,11 @@
 import { Resource } from 'resource-loader';
-import path from 'path';
+import url from 'url';
 import { Spritesheet } from '../core';
 
 export default function ()
 {
     return function spritesheetParser(resource, next)
     {
-        let resourcePath;
         const imageResourceName = `${resource.name}_image`;
 
         // skip if no data, its not json, it isn't spritesheet data, or the image resource already exists
@@ -28,15 +27,7 @@
             parentResource: resource,
         };
 
-        // Prepend url path unless the resource image is a data url
-        if (resource.isDataUrl)
-        {
-            resourcePath = resource.data.meta.image;
-        }
-        else
-        {
-            resourcePath = `${path.dirname(resource.url.replace(this.baseUrl, ''))}/${resource.data.meta.image}`;
-        }
+        const resourcePath = getResourcePath(resource, this.baseUrl);
 
         // load the image for this sheet
         this.add(imageResourceName, resourcePath, loadOptions, function onImageLoad(res)
@@ -56,3 +47,14 @@
         });
     };
 }
+
+export function getResourcePath(resource, baseUrl)
+{
+    // Prepend url path unless the resource image is a data url
+    if (resource.isDataUrl)
+    {
+        return resource.data.meta.image;
+    }
+
+    return url.resolve(resource.url.replace(baseUrl, ''), resource.data.meta.image);
+}
diff --git a/src/mesh/canvas/CanvasMeshRenderer.js b/src/mesh/canvas/CanvasMeshRenderer.js
index 297205f..f7899e1 100644
--- a/src/mesh/canvas/CanvasMeshRenderer.js
+++ b/src/mesh/canvas/CanvasMeshRenderer.js
@@ -134,12 +134,33 @@
         const textureWidth = base.width;
         const textureHeight = base.height;
 
-        const u0 = uvs[index0] * base.width;
-        const u1 = uvs[index1] * base.width;
-        const u2 = uvs[index2] * base.width;
-        const v0 = uvs[index0 + 1] * base.height;
-        const v1 = uvs[index1 + 1] * base.height;
-        const v2 = uvs[index2 + 1] * base.height;
+        let u0;
+        let u1;
+        let u2;
+        let v0;
+        let v1;
+        let v2;
+
+        if (mesh.uploadUvTransform)
+        {
+            const ut = mesh._uvTransform.mapCoord;
+
+            u0 = ((uvs[index0] * ut.a) + (uvs[index0 + 1] * ut.c) + ut.tx) * base.width;
+            u1 = ((uvs[index1] * ut.a) + (uvs[index1 + 1] * ut.c) + ut.tx) * base.width;
+            u2 = ((uvs[index2] * ut.a) + (uvs[index2 + 1] * ut.c) + ut.tx) * base.width;
+            v0 = ((uvs[index0] * ut.b) + (uvs[index0 + 1] * ut.d) + ut.ty) * base.height;
+            v1 = ((uvs[index1] * ut.b) + (uvs[index1 + 1] * ut.d) + ut.ty) * base.height;
+            v2 = ((uvs[index2] * ut.b) + (uvs[index2 + 1] * ut.d) + ut.ty) * base.height;
+        }
+        else
+        {
+            u0 = uvs[index0] * base.width;
+            u1 = uvs[index1] * base.width;
+            u2 = uvs[index2] * base.width;
+            v0 = uvs[index0 + 1] * base.height;
+            v1 = uvs[index1 + 1] * base.height;
+            v2 = uvs[index2 + 1] * base.height;
+        }
 
         let x0 = vertices[index0];
         let x1 = vertices[index1];
diff --git a/src/mesh/webgl/MeshRenderer.js b/src/mesh/webgl/MeshRenderer.js
index 78d24c3..ab99fcd 100644
--- a/src/mesh/webgl/MeshRenderer.js
+++ b/src/mesh/webgl/MeshRenderer.js
@@ -2,6 +2,8 @@
 
 const byteSizeMap = { 5126: 4, 5123: 2, 5121: 1 };
 
+const matrixIdentity = core.Matrix.IDENTITY;
+
 /**
  * WebGL renderer plugin for tiling sprites
  *
@@ -64,6 +66,7 @@
         mesh.geometry.glVertexArrayObjects[this.CONTEXT_UID].draw(mesh.drawMode, mesh.size, mesh.start, mesh.geometry.instanceCount);
     }
 
+
     /**
      * draws mesh
      * @param {PIXI.mesh.RawMesh} mesh mesh instance
diff --git a/src/mesh/webgl/mesh.vert b/src/mesh/webgl/mesh.vert
index a337aef..acc096c 100644
--- a/src/mesh/webgl/mesh.vert
+++ b/src/mesh/webgl/mesh.vert
@@ -1,8 +1,9 @@
 attribute vec2 aVertexPosition;
 attribute vec2 aTextureCoord;
 
-uniform mat3 translationMatrix;
 uniform mat3 projectionMatrix;
+uniform mat3 translationMatrix;
+uniform mat3 uTransform;
 
 varying vec2 vTextureCoord;
 
@@ -10,5 +11,5 @@
 {
     gl_Position = vec4((projectionMatrix * translationMatrix * vec3(aVertexPosition, 1.0)).xy, 0.0, 1.0);
 
-    vTextureCoord = aTextureCoord;
+    vTextureCoord = (uTransform * vec3(aTextureCoord, 1.0)).xy;
 }
diff --git a/src/particles/ParticleContainer.js b/src/particles/ParticleContainer.js
index 67796cf..63f7791 100644
--- a/src/particles/ParticleContainer.js
+++ b/src/particles/ParticleContainer.js
@@ -313,10 +313,10 @@
                 frame.y * resolution,
                 frame.width * resolution,
                 frame.height * resolution,
-                positionX * resolution,
-                positionY * resolution,
-                finalWidth * resolution,
-                finalHeight * resolution
+                positionX * renderer.resolution,
+                positionY * renderer.resolution,
+                finalWidth * renderer.resolution,
+                finalHeight * renderer.resolution
             );
         }
     }
diff --git a/src/prepare/BasePrepare.js b/src/prepare/BasePrepare.js
index 09eb5e5..e45c4dc 100644
--- a/src/prepare/BasePrepare.js
+++ b/src/prepare/BasePrepare.js
@@ -18,6 +18,18 @@
  * basic queuing functionality and is extended by {@link PIXI.prepare.WebGLPrepare} and {@link PIXI.prepare.CanvasPrepare}
  * to provide preparation capabilities specific to their respective renderers.
  *
+ * @example
+ * // Create a sprite
+ * const sprite = new PIXI.Sprite.fromImage('something.png');
+ *
+ * // Load object into GPU
+ * app.renderer.plugins.prepare.upload(sprite, () => {
+ *
+ *     //Texture(s) has been uploaded to GPU
+ *     app.stage.addChild(sprite);
+ *
+ * })
+ *
  * @abstract
  * @class
  * @memberof PIXI.prepare
@@ -100,8 +112,16 @@
             this.prepareItems();
         };
 
-        this.register(findText, drawText);
-        this.register(findTextStyle, calculateTextStyle);
+        // hooks to find the correct texture
+        this.registerFindHook(findText);
+        this.registerFindHook(findTextStyle);
+        this.registerFindHook(findMultipleBaseTextures);
+        this.registerFindHook(findBaseTexture);
+        this.registerFindHook(findTexture);
+
+        // upload hooks
+        this.registerUploadHook(drawText);
+        this.registerUploadHook(calculateTextStyle);
     }
 
     /**
@@ -138,7 +158,7 @@
             if (!this.ticking)
             {
                 this.ticking = true;
-                SharedTicker.addOnce(this.tick, this);
+                SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
             }
         }
         else if (done)
@@ -172,13 +192,16 @@
             const item = this.queue[0];
             let uploaded = false;
 
-            for (let i = 0, len = this.uploadHooks.length; i < len; i++)
+            if (item && !item._destroyed)
             {
-                if (this.uploadHooks[i](this.uploadHookHelper, item))
+                for (let i = 0, len = this.uploadHooks.length; i < len; i++)
                 {
-                    this.queue.shift();
-                    uploaded = true;
-                    break;
+                    if (this.uploadHooks[i](this.uploadHookHelper, item))
+                    {
+                        this.queue.shift();
+                        uploaded = true;
+                        break;
+                    }
                 }
             }
 
@@ -205,26 +228,36 @@
         else
         {
             // if we are not finished, on the next rAF do this again
-            SharedTicker.addOnce(this.tick, this);
+            SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
         }
     }
 
     /**
-     * Adds hooks for finding and uploading items.
+     * Adds hooks for finding items.
      *
-     * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
-              function must return `true` if it was able to add item to the queue.
-     * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
-     *        function must return `true` if it was able to handle upload of item.
-     * @return {PIXI.CanvasPrepare} Instance of plugin for chaining.
+     * @param {Function} addHook - Function call that takes two parameters: `item:*, queue:Array`
+     *          function must return `true` if it was able to add item to the queue.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
      */
-    register(addHook, uploadHook)
+    registerFindHook(addHook)
     {
         if (addHook)
         {
             this.addHooks.push(addHook);
         }
 
+        return this;
+    }
+
+    /**
+     * Adds hooks for uploading items.
+     *
+     * @param {Function} uploadHook - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+     *          function must return `true` if it was able to handle upload of item.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+     */
+    registerUploadHook(uploadHook)
+    {
         if (uploadHook)
         {
             this.uploadHooks.push(uploadHook);
@@ -287,6 +320,88 @@
 }
 
 /**
+ * Built-in hook to find multiple textures from objects like AnimatedSprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findMultipleBaseTextures(item, queue)
+{
+    let result = false;
+
+    // Objects with mutliple textures
+    if (item && item._textures && item._textures.length)
+    {
+        for (let i = 0; i < item._textures.length; i++)
+        {
+            if (item._textures[i] instanceof core.Texture)
+            {
+                const baseTexture = item._textures[i].baseTexture;
+
+                if (queue.indexOf(baseTexture) === -1)
+                {
+                    queue.push(baseTexture);
+                    result = true;
+                }
+            }
+        }
+    }
+
+    return result;
+}
+
+/**
+ * Built-in hook to find BaseTextures from Sprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findBaseTexture(item, queue)
+{
+    // Objects with textures, like Sprites/Text
+    if (item instanceof core.BaseTexture)
+    {
+        if (queue.indexOf(item) === -1)
+        {
+            queue.push(item);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
+ * Built-in hook to find textures from objects.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findTexture(item, queue)
+{
+    if (item._texture && item._texture instanceof core.Texture)
+    {
+        const texture = item._texture.baseTexture;
+
+        if (queue.indexOf(texture) === -1)
+        {
+            queue.push(texture);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
  * Built-in hook to draw PIXI.Text to its texture.
  *
  * @private
diff --git a/src/prepare/canvas/CanvasPrepare.js b/src/prepare/canvas/CanvasPrepare.js
index 0224bb5..09c207a 100644
--- a/src/prepare/canvas/CanvasPrepare.js
+++ b/src/prepare/canvas/CanvasPrepare.js
@@ -43,7 +43,7 @@
         this.ctx = this.canvas.getContext('2d');
 
         // Add textures to upload
-        this.register(findBaseTextures, uploadBaseTextures);
+        this.registerUploadHook(uploadBaseTextures);
     }
 
     /**
@@ -89,39 +89,4 @@
     return false;
 }
 
-/**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item  -Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
 core.CanvasRenderer.registerPlugin('prepare', CanvasPrepare);
diff --git a/src/prepare/index.js b/src/prepare/index.js
index f559c45..e7491ec 100644
--- a/src/prepare/index.js
+++ b/src/prepare/index.js
@@ -1,4 +1,29 @@
 /**
+ * The prepare namespace provides renderer-specific plugins for pre-rendering DisplayObjects. These plugins are useful for
+ * asynchronously preparing assets, textures, graphics waiting to be displayed.
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ * document.body.appendChild(app.view);
+ *
+ * // Don't start rendering right away
+ * app.stop();
+ *
+ * // create a display object
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add to the stage
+ * app.stage.addChild(rect);
+ *
+ * // Don't start rendering until the graphic is uploaded to the GPU
+ * app.renderer.plugins.prepare.upload(app.stage, () => {
+ *     app.start();
+ * });
  * @namespace PIXI.prepare
  */
 export { default as webgl } from './webgl/WebGLPrepare';
diff --git a/src/prepare/webgl/WebGLPrepare.js b/src/prepare/webgl/WebGLPrepare.js
index eb7023f..9df3c3f 100644
--- a/src/prepare/webgl/WebGLPrepare.js
+++ b/src/prepare/webgl/WebGLPrepare.js
@@ -22,12 +22,11 @@
         this.uploadHookHelper = this.renderer;
 
         // Add textures and graphics to upload
-        this.register(findBaseTextures, uploadBaseTextures)
-            .register(findGraphics, uploadGraphics);
+        this.registerFindHook(findGraphics);
+        this.registerUploadHook(uploadBaseTextures);
+        this.registerUploadHook(uploadGraphics);
     }
-
 }
-
 /**
  * Built-in hook to upload PIXI.Texture objects to the GPU.
  *
@@ -80,41 +79,6 @@
 }
 
 /**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item - Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
-/**
  * Built-in hook to find graphics.
  *
  * @private
diff --git a/test/.eslintrc.json b/test/.eslintrc.json
index e03220d..ac12110 100644
--- a/test/.eslintrc.json
+++ b/test/.eslintrc.json
@@ -12,7 +12,8 @@
         "sinon": false,
         "expect": false,
         "assert": false,
-        "PIXI": false
+        "PIXI": false,
+        "PointerEvent": true
     },
     "rules": {
         "func-names": 0,
diff --git a/test/core/BaseTexture.js b/test/core/BaseTexture.js
index 8b93478..bb65068 100644
--- a/test/core/BaseTexture.js
+++ b/test/core/BaseTexture.js
@@ -14,4 +14,28 @@
             expect(baseTexture.imageType).to.be.equals('png');
         });
     });
+
+    it('should remove Canvas BaseTexture from cache on destroy', function ()
+    {
+        const canvas = document.createElement('canvas');
+        const texture = PIXI.BaseTexture.fromCanvas(canvas);
+        const _pixiId = canvas._pixiId;
+
+        expect(PIXI.utils.BaseTextureCache[_pixiId]).to.equal(texture);
+        texture.destroy();
+        expect(PIXI.utils.BaseTextureCache[_pixiId]).to.equal(undefined);
+    });
+
+    it('should remove Image BaseTexture from cache on destroy', function ()
+    {
+        const URL = 'foo.png';
+        const NAME = 'bar';
+        const image = new Image();
+
+        const texture = PIXI.Texture.fromLoader(image, URL, NAME);
+
+        expect(PIXI.utils.BaseTextureCache[NAME]).to.equal(texture.baseTexture);
+        texture.destroy(true);
+        expect(PIXI.utils.BaseTextureCache[NAME]).to.equal(undefined);
+    });
 });
diff --git a/test/core/Circle.js b/test/core/Circle.js
index 183f98f..f621992 100644
--- a/test/core/Circle.js
+++ b/test/core/Circle.js
@@ -53,6 +53,10 @@
         expect(circ1.contains(10, 16)).to.be.false;
         expect(circ1.contains(11, 15)).to.be.false;
         expect(circ1.contains(0, 0)).to.be.false;
+
+        const circ2 = new PIXI.Circle(10, 10, 0);
+
+        expect(circ2.contains(10, 10)).to.be.false;
     });
 
     it('should return framing rectangle', function ()
diff --git a/test/core/Container.js b/test/core/Container.js
index d11be33..cefde54 100644
--- a/test/core/Container.js
+++ b/test/core/Container.js
@@ -2,30 +2,36 @@
 
 function testAddChild(fn)
 {
-    fn(function (container, obj)
+    return function ()
     {
-        container.addChild(obj);
-    });
-    fn(function (container, obj)
-    {
-        container.addChildAt(obj);
-    });
+        fn(function (container, obj)
+        {
+            container.addChild(obj);
+        });
+        fn(function (container, obj)
+        {
+            container.addChildAt(obj);
+        });
+    };
 }
 
 function testRemoveChild(fn)
 {
-    fn(function (container, obj)
+    return function ()
     {
-        container.removeChild(obj);
-    });
-    fn(function (container, obj)
-    {
-        container.removeChildAt(container.children.indexOf(obj));
-    });
-    fn(function (container, obj)
-    {
-        container.removeChildren(container.children.indexOf(obj), container.children.indexOf(obj) + 1);
-    });
+        fn(function (container, obj)
+        {
+            container.removeChild(obj);
+        });
+        fn(function (container, obj)
+        {
+            container.removeChildAt(container.children.indexOf(obj));
+        });
+        fn(function (container, obj)
+        {
+            container.removeChildren(container.children.indexOf(obj), container.children.indexOf(obj) + 1);
+        });
+    };
 }
 
 describe('PIXI.Container', function ()
diff --git a/test/core/Ellipse.js b/test/core/Ellipse.js
index f2e8234..3f47442 100644
--- a/test/core/Ellipse.js
+++ b/test/core/Ellipse.js
@@ -56,6 +56,10 @@
         expect(ellipse1.contains(10, 16)).to.be.false;
         expect(ellipse1.contains(11, 15)).to.be.false;
         expect(ellipse1.contains(0, 0)).to.be.false;
+
+        const ellipse2 = new PIXI.Ellipse(10, 10, 0, 0);
+
+        expect(ellipse2.contains(10, 10)).to.be.false;
     });
 
     it('should return framing rectangle', function ()
diff --git a/test/core/Matrix.js b/test/core/Matrix.js
index 9d2694b..76bd57c 100644
--- a/test/core/Matrix.js
+++ b/test/core/Matrix.js
@@ -107,10 +107,60 @@
         expect(m1.ty).to.equal(m2.ty);
     });
 
+    it('should prepend matrix', function ()
+    {
+        const m1 = new PIXI.Matrix();
+        const m2 = new PIXI.Matrix();
+
+        m2.set(2, 3, 4, 5, 100, 200);
+        m1.prepend(m2);
+
+        expect(m1.a).to.equal(m2.a);
+        expect(m1.b).to.equal(m2.b);
+        expect(m1.c).to.equal(m2.c);
+        expect(m1.d).to.equal(m2.d);
+        expect(m1.tx).to.equal(m2.tx);
+        expect(m1.ty).to.equal(m2.ty);
+
+        const m3 = new PIXI.Matrix();
+        const m4 = new PIXI.Matrix();
+
+        m3.prepend(m4);
+
+        expect(m3.a).to.equal(m4.a);
+        expect(m3.b).to.equal(m4.b);
+        expect(m3.c).to.equal(m4.c);
+        expect(m3.d).to.equal(m4.d);
+        expect(m3.tx).to.equal(m4.tx);
+        expect(m3.ty).to.equal(m4.ty);
+    });
+
     it('should get IDENTITY and TEMP_MATRIX', function ()
     {
         expect(PIXI.Matrix.IDENTITY instanceof PIXI.Matrix).to.be.true;
         expect(PIXI.Matrix.TEMP_MATRIX instanceof PIXI.Matrix).to.be.true;
     });
-});
 
+    it('should reset matrix to default when identity() is called', function ()
+    {
+        const matrix = new PIXI.Matrix();
+
+        matrix.set(2, 3, 4, 5, 100, 200);
+
+        expect(matrix.a).to.equal(2);
+        expect(matrix.b).to.equal(3);
+        expect(matrix.c).to.equal(4);
+        expect(matrix.d).to.equal(5);
+        expect(matrix.tx).to.equal(100);
+        expect(matrix.ty).to.equal(200);
+
+        matrix.identity();
+
+        expect(matrix.a).to.equal(1);
+        expect(matrix.b).to.equal(0);
+        expect(matrix.c).to.equal(0);
+        expect(matrix.d).to.equal(1);
+        expect(matrix.tx).to.equal(0);
+        expect(matrix.ty).to.equal(0);
+    });
+});
diff --git a/test/core/Spritesheet.js b/test/core/Spritesheet.js
index 283adf5..7601a0c 100644
--- a/test/core/Spritesheet.js
+++ b/test/core/Spritesheet.js
@@ -18,6 +18,7 @@
                 expect(textures[id]).to.be.an.instanceof(PIXI.Texture);
                 expect(textures[id].width).to.equal(spritesheet.data.frames[id].frame.w / spritesheet.resolution);
                 expect(textures[id].height).to.equal(spritesheet.data.frames[id].frame.h / spritesheet.resolution);
+                expect(textures[id].textureCacheId).to.equal(id);
                 spritesheet.destroy(true);
                 expect(spritesheet.textures).to.be.null;
                 expect(spritesheet.baseTexture).to.be.null;
diff --git a/test/core/Texture.js b/test/core/Texture.js
index 8c4ef98..241ec3e 100644
--- a/test/core/Texture.js
+++ b/test/core/Texture.js
@@ -16,4 +16,20 @@
         expect(PIXI.utils.TextureCache[URL]).to.equal(texture);
         expect(PIXI.utils.BaseTextureCache[URL]).to.equal(texture.baseTexture);
     });
+
+    it('should remove Texture from cache on destroy', function ()
+    {
+        const NAME = 'foo';
+        const NAME2 = 'bar';
+        const texture = new PIXI.Texture(new PIXI.BaseTexture());
+
+        PIXI.Texture.addTextureToCache(texture, NAME);
+        PIXI.Texture.addTextureToCache(texture, NAME2);
+        expect(texture.textureCacheId).to.equal(NAME);
+        expect(PIXI.utils.TextureCache[NAME]).to.equal(texture);
+        expect(PIXI.utils.TextureCache[NAME2]).to.equal(texture);
+        texture.destroy();
+        expect(PIXI.utils.TextureCache[NAME]).to.equal(undefined);
+        expect(PIXI.utils.TextureCache[NAME2]).to.equal(undefined);
+    });
 });
diff --git a/test/core/Ticker.js b/test/core/Ticker.js
new file mode 100644
index 0000000..188770f
--- /dev/null
+++ b/test/core/Ticker.js
@@ -0,0 +1,322 @@
+'use strict';
+
+const Ticker = PIXI.ticker.Ticker;
+const shared = PIXI.ticker.shared;
+
+describe('PIXI.ticker.Ticker', function ()
+{
+    before(function ()
+    {
+        this.length = (ticker) =>
+        {
+            ticker = ticker || shared;
+
+            if (!ticker._head || !ticker._head.next)
+            {
+                return 0;
+            }
+
+            let listener = ticker._head.next;
+            let i = 0;
+
+            while (listener)
+            {
+                listener = listener.next;
+                i++;
+            }
+
+            return i;
+        };
+    });
+
+    it('should be available', function ()
+    {
+        expect(Ticker).to.be.a.function;
+        expect(shared).to.be.an.instanceof(Ticker);
+    });
+
+    it('should create a new ticker and destroy it', function ()
+    {
+        const ticker = new Ticker();
+
+        ticker.start();
+
+        const listener = sinon.spy();
+
+        expect(this.length(ticker)).to.equal(0);
+
+        ticker.add(listener);
+
+        expect(this.length(ticker)).to.equal(1);
+
+        ticker.destroy();
+
+        expect(ticker._head).to.be.null;
+        expect(ticker.started).to.be.false;
+        expect(this.length(ticker)).to.equal(0);
+    });
+
+    it('should protect destroying shared ticker', function ()
+    {
+        shared.destroy();
+        expect(shared._head).to.not.be.null;
+        expect(shared.started).to.be.true;
+    });
+
+    it('should add and remove listener', function ()
+    {
+        const listener = sinon.spy();
+        const length = this.length();
+
+        shared.add(listener);
+
+        expect(this.length()).to.equal(length + 1);
+
+        shared.remove(listener);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should update a listener', function ()
+    {
+        const listener = sinon.spy();
+
+        shared.add(listener);
+        shared.update();
+
+        expect(listener.calledOnce).to.be.true;
+
+        shared.remove(listener);
+        shared.update();
+
+        expect(listener.calledOnce).to.be.true;
+    });
+
+    it('should update a listener twice and remove once', function ()
+    {
+        const listener = sinon.spy();
+        const length = this.length();
+
+        shared.add(listener).add(listener);
+        shared.update();
+
+        expect(listener.calledTwice).to.be.true;
+        expect(this.length()).to.equal(length + 2);
+
+        shared.remove(listener);
+        shared.update();
+
+        expect(listener.calledTwice).to.be.true;
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should respect priority order', function ()
+    {
+        const length = this.length();
+        const listener1 = sinon.spy();
+        const listener2 = sinon.spy();
+        const listener3 = sinon.spy();
+        const listener4 = sinon.spy();
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.LOW)
+            .add(listener4, null, PIXI.UPDATE_PRIORITY.INTERACTION)
+            .add(listener3, null, PIXI.UPDATE_PRIORITY.HIGH)
+            .add(listener2, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 4);
+
+        sinon.assert.callOrder(listener4, listener3, listener2, listener1);
+
+        shared.remove(listener1)
+            .remove(listener2)
+            .remove(listener3)
+            .remove(listener4);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should auto-remove once listeners', function ()
+    {
+        const length = this.length();
+        const listener = sinon.spy();
+
+        shared.addOnce(listener);
+
+        shared.update();
+
+        expect(listener.calledOnce).to.be.true;
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should call inserted item with a lower priority', function ()
+    {
+        const length = this.length();
+        const lowListener = sinon.spy();
+        const highListener = sinon.spy();
+        const mainListener = sinon.spy(() =>
+        {
+            shared.add(highListener, null, PIXI.UPDATE_PRIORITY.HIGH);
+            shared.add(lowListener, null, PIXI.UPDATE_PRIORITY.LOW);
+        });
+
+        shared.add(mainListener, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 3);
+
+        expect(mainListener.calledOnce).to.be.true;
+        expect(lowListener.calledOnce).to.be.true;
+        expect(highListener.calledOnce).to.be.false;
+
+        shared.remove(mainListener)
+            .remove(highListener)
+            .remove(lowListener);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should remove emit low-priority item during emit', function ()
+    {
+        const length = this.length();
+        const listener2 = sinon.spy();
+        const listener1 = sinon.spy(() =>
+        {
+            shared.add(listener2, null, PIXI.UPDATE_PRIORITY.LOW);
+        });
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 2);
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener1.calledOnce).to.be.true;
+
+        shared.remove(listener1)
+            .remove(listener2);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should remove itself on emit after adding new item', function ()
+    {
+        const length = this.length();
+        const listener2 = sinon.spy();
+        const listener1 = sinon.spy(() =>
+        {
+            shared.add(listener2, null, PIXI.UPDATE_PRIORITY.LOW);
+            shared.remove(listener1);
+
+            // listener is removed right away
+            expect(this.length()).to.equal(length + 1);
+        });
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 1);
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener1.calledOnce).to.be.true;
+
+        shared.remove(listener2);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should remove itself before, still calling new item', function ()
+    {
+        const length = this.length();
+        const listener2 = sinon.spy();
+        const listener1 = sinon.spy(() =>
+        {
+            shared.remove(listener1);
+            shared.add(listener2, null, PIXI.UPDATE_PRIORITY.LOW);
+
+            // listener is removed right away
+            expect(this.length()).to.equal(length + 1);
+        });
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 1);
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener1.calledOnce).to.be.true;
+
+        shared.remove(listener2);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should remove items before and after current priority', function ()
+    {
+        const length = this.length();
+        const listener2 = sinon.spy();
+        const listener3 = sinon.spy();
+        const listener4 = sinon.spy();
+
+        shared.add(listener2, null, PIXI.UPDATE_PRIORITY.HIGH);
+        shared.add(listener3, null, PIXI.UPDATE_PRIORITY.LOW);
+        shared.add(listener4, null, PIXI.UPDATE_PRIORITY.LOW);
+
+        const listener1 = sinon.spy(() =>
+        {
+            shared.remove(listener2)
+                .remove(listener3);
+
+            // listener is removed right away
+            expect(this.length()).to.equal(length + 2);
+        });
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 2);
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener3.calledOnce).to.be.false;
+        expect(listener4.calledOnce).to.be.true;
+        expect(listener1.calledOnce).to.be.true;
+
+        shared.update();
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener3.calledOnce).to.be.false;
+        expect(listener4.calledTwice).to.be.true;
+        expect(listener1.calledTwice).to.be.true;
+
+        shared.remove(listener1)
+            .remove(listener4);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should destroy on listener', function (done)
+    {
+        const ticker = new Ticker();
+        const listener2 = sinon.spy();
+        const listener = sinon.spy(() =>
+        {
+            ticker.destroy();
+            setTimeout(() =>
+            {
+                expect(listener2.called).to.be.false;
+                expect(listener.calledOnce).to.be.true;
+                done();
+            }, 0);
+        });
+
+        ticker.add(listener);
+        ticker.add(listener2, null, PIXI.UPDATE_PRIORITY.LOW);
+        ticker.start();
+    });
+});
diff --git a/test/core/TilingSprite.js b/test/core/TilingSprite.js
index 2e449a7..7694792 100644
--- a/test/core/TilingSprite.js
+++ b/test/core/TilingSprite.js
@@ -24,4 +24,25 @@
             expect(bounds.height).to.equal(600);
         });
     });
+
+    it('checks if tilingSprite contains a point', function ()
+    {
+        const texture = new PIXI.Texture(new PIXI.BaseTexture());
+        const tilingSprite = new PIXI.extras.TilingSprite(texture, 200, 300);
+
+        expect(tilingSprite.containsPoint(new PIXI.Point(1, 1))).to.equal(true);
+        expect(tilingSprite.containsPoint(new PIXI.Point(300, 400))).to.equal(false);
+    });
+
+    it('gets and sets height and width correctly', function ()
+    {
+        const texture = new PIXI.Texture(new PIXI.BaseTexture());
+        const tilingSprite = new PIXI.extras.TilingSprite(texture, 200, 300);
+
+        tilingSprite.width = 400;
+        tilingSprite.height = 600;
+
+        expect(tilingSprite.width).to.equal(400);
+        expect(tilingSprite.height).to.equal(600);
+    });
 });
diff --git a/test/core/index.js b/test/core/index.js
index 8530131..58dc30e 100755
--- a/test/core/index.js
+++ b/test/core/index.js
@@ -17,6 +17,7 @@
 require('./util');
 require('./Plane');
 require('./Point');
+require('./Polygon');
 require('./ObservablePoint');
 require('./Matrix');
 require('./Rectangle');
@@ -27,4 +28,5 @@
 require('./WebGLRenderer');
 require('./Ellipse');
 require('./Texture');
+require('./Ticker');
 require('./filters');
diff --git a/test/interaction/InteractionManager.js b/test/interaction/InteractionManager.js
index 0e7e707..31385b9 100644
--- a/test/interaction/InteractionManager.js
+++ b/test/interaction/InteractionManager.js
@@ -4,6 +4,16 @@
 
 describe('PIXI.interaction.InteractionManager', function ()
 {
+    afterEach(function ()
+    {
+        // if we made a MockPointer for the test, clean it up
+        if (this.pointer)
+        {
+            this.pointer.cleanUp();
+            this.pointer = null;
+        }
+    });
+
     describe('event basics', function ()
     {
         it('should call mousedown handler', function ()
@@ -11,7 +21,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const eventSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -29,7 +39,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const eventSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -47,7 +57,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const eventSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -66,7 +76,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const eventSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -84,7 +94,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const eventSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -286,7 +296,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const clickSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -304,7 +314,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const clickSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -316,6 +326,29 @@
 
             expect(clickSpy).to.not.have.been.called;
         });
+
+        it('should not call handler when mousedown not received', function ()
+        {
+            const stage = new PIXI.Container();
+            const graphics = new PIXI.Graphics();
+            const clickSpy = sinon.spy();
+            const pointer = new MockPointer(stage);
+
+            stage.addChild(graphics);
+            graphics.beginFill(0xFFFFFF);
+            graphics.drawRect(0, 0, 50, 50);
+            graphics.interactive = true;
+            graphics.on('click', clickSpy);
+
+            pointer.mouseup(10, 10);
+
+            expect(clickSpy, 'click should not happen on first mouseup').to.not.have.been.called;
+
+            // test again, just because it was a bug that was reported
+            pointer.mouseup(20, 20);
+
+            expect(clickSpy, 'click should not happen on second mouseup').to.not.have.been.called;
+        });
     });
 
     describe('onTap', function ()
@@ -325,7 +358,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const clickSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -343,7 +376,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const clickSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -359,32 +392,62 @@
 
     describe('overlapping children', function ()
     {
-        function getScene(callbackEventName)
+        function getScene(callbackEventName, splitParents)
         {
             const behindChild = new PIXI.Graphics();
             const frontChild = new PIXI.Graphics();
             const parent = new PIXI.Container();
-            const behindChildCallback = sinon.spy();
-            const frontChildCallback = sinon.spy();
-            const parentCallback = sinon.spy();
+            const behindChildCallback = sinon.spy(function behindSpy() { /* no op*/ });
+            const frontChildCallback = sinon.spy(function frontSpy() { /* no op*/ });
+            const parentCallback = sinon.spy(function parentSpy() { /* no op*/ });
+            let behindParent;
+            let frontParent;
+            let behindParentCallback;
+            let frontParentCallback;
 
             behindChild.beginFill(0xFF);
             behindChild.drawRect(0, 0, 50, 50);
             behindChild.on(callbackEventName, behindChildCallback);
+            behindChild.name = 'behind';
 
             frontChild.beginFill(0x00FF);
             frontChild.drawRect(0, 0, 50, 50);
             frontChild.on(callbackEventName, frontChildCallback);
+            frontChild.name = 'front';
 
-            parent.addChild(behindChild, frontChild);
+            if (splitParents)
+            {
+                behindParent = new PIXI.Container();
+                behindParent.name = 'behindParent';
+                frontParent = new PIXI.Container();
+                frontParent.name = 'frontParent';
+                behindParentCallback = sinon.spy(function behindParentSpy() { /* no op*/ });
+                frontParentCallback = sinon.spy(function frontParentSpy() { /* no op*/ });
+                behindParent.on(callbackEventName, behindParentCallback);
+                frontParent.on(callbackEventName, frontParentCallback);
+
+                parent.addChild(behindParent, frontParent);
+                behindParent.addChild(behindChild);
+                frontParent.addChild(frontChild);
+
+                parent.name = 'parent';
+            }
+            else
+            {
+                parent.addChild(behindChild, frontChild);
+            }
             parent.on(callbackEventName, parentCallback);
 
             return {
                 behindChild,
                 frontChild,
+                behindParent,
+                frontParent,
                 parent,
                 behindChildCallback,
                 frontChildCallback,
+                behindParentCallback,
+                frontParentCallback,
                 parentCallback,
             };
         }
@@ -396,7 +459,7 @@
                 it('should callback front child when clicking front child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -414,7 +477,7 @@
                 it('should callback front child when clicking overlap', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -432,7 +495,7 @@
                 it('should callback behind child when clicking behind child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -446,6 +509,48 @@
                     expect(scene.behindChildCallback).to.have.been.calledOnce;
                     expect(scene.parentCallback).to.not.have.been.called;
                 });
+
+                it('should callback front child of different non-interactive parents when clicking overlap', function ()
+                {
+                    const stage = new PIXI.Container();
+                    const pointer = this.pointer = new MockPointer(stage);
+                    const scene = getScene('click', true);
+
+                    scene.behindChild.interactive = true;
+                    scene.behindChild.x = 25;
+                    scene.frontChild.interactive = true;
+
+                    stage.addChild(scene.parent);
+                    pointer.click(40, 10);
+
+                    expect(scene.behindChildCallback).to.not.have.been.called;
+                    expect(scene.frontChildCallback).to.have.been.calledOnce;
+                    expect(scene.parentCallback).to.not.have.been.called;
+                    expect(scene.behindParentCallback).to.not.have.been.called;
+                    expect(scene.frontParentCallback).to.not.have.been.called;
+                });
+
+                it('should callback front child of different interactive parents when clicking overlap', function ()
+                {
+                    const stage = new PIXI.Container();
+                    const pointer = this.pointer = new MockPointer(stage);
+                    const scene = getScene('click', true);
+
+                    scene.behindChild.interactive = true;
+                    scene.behindChild.x = 25;
+                    scene.frontChild.interactive = true;
+                    scene.behindParent.interactive = true;
+                    scene.frontParent.interactive = true;
+
+                    stage.addChild(scene.parent);
+                    pointer.click(40, 10);
+
+                    expect(scene.behindChildCallback).to.not.have.been.called;
+                    expect(scene.frontChildCallback).to.have.been.calledOnce;
+                    expect(scene.parentCallback).to.not.have.been.called;
+                    expect(scene.behindParentCallback).to.not.have.been.called;
+                    expect(scene.frontParentCallback).to.have.been.calledOnce;
+                });
             });
 
             describe('when front child is non-interactive', function ()
@@ -453,7 +558,7 @@
                 it('should not callback when clicking front child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -470,7 +575,7 @@
                 it('should callback behind child when clicking overlap', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -487,7 +592,7 @@
                 it('should callback behind child when clicking behind child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -507,7 +612,7 @@
                 it('should callback front child when clicking front child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.x = 25;
@@ -524,7 +629,7 @@
                 it('should callback front child when clicking overlap', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.x = 25;
@@ -541,7 +646,7 @@
                 it('should not callback when clicking behind child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.x = 25;
@@ -564,7 +669,7 @@
                 it('should callback parent and front child when clicking front child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -583,7 +688,7 @@
                 it('should callback parent and front child when clicking overlap', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -602,7 +707,7 @@
                 it('should callback parent and behind child when clicking behind child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -617,6 +722,50 @@
                     expect(scene.behindChildCallback).to.have.been.calledOnce;
                     expect(scene.parentCallback).to.have.been.calledOnce;
                 });
+
+                it('should callback front child of different non-interactive parents when clicking overlap', function ()
+                {
+                    const stage = new PIXI.Container();
+                    const pointer = this.pointer = new MockPointer(stage);
+                    const scene = getScene('click', true);
+
+                    scene.behindChild.interactive = true;
+                    scene.behindChild.x = 25;
+                    scene.frontChild.interactive = true;
+                    scene.parent.interactive = true;
+
+                    stage.addChild(scene.parent);
+                    pointer.click(40, 10);
+
+                    expect(scene.behindChildCallback).to.not.have.been.called;
+                    expect(scene.frontChildCallback).to.have.been.calledOnce;
+                    expect(scene.parentCallback).to.have.been.calledOnce;
+                    expect(scene.behindParentCallback).to.not.have.been.called;
+                    expect(scene.frontParentCallback).to.not.have.been.called;
+                });
+
+                it('should callback front child of different interactive parents when clicking overlap', function ()
+                {
+                    const stage = new PIXI.Container();
+                    const pointer = this.pointer = new MockPointer(stage);
+                    const scene = getScene('click', true);
+
+                    scene.behindChild.interactive = true;
+                    scene.behindChild.x = 25;
+                    scene.frontChild.interactive = true;
+                    scene.parent.interactive = true;
+                    scene.behindParent.interactive = true;
+                    scene.frontParent.interactive = true;
+
+                    stage.addChild(scene.parent);
+                    pointer.click(40, 10);
+
+                    expect(scene.behindChildCallback).to.not.have.been.called;
+                    expect(scene.frontChildCallback).to.have.been.calledOnce;
+                    expect(scene.parentCallback).to.have.been.calledOnce;
+                    expect(scene.behindParentCallback).to.not.have.been.called;
+                    expect(scene.frontParentCallback).to.have.been.calledOnce;
+                });
             });
 
             describe('when front child is non-interactive', function ()
@@ -624,7 +773,7 @@
                 it('should callback parent when clicking front child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -642,7 +791,7 @@
                 it('should callback parent and behind child when clicking overlap', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -660,7 +809,7 @@
                 it('should callback parent and behind child when clicking behind child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -681,7 +830,7 @@
                 it('should callback parent and front child when clicking front child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.x = 25;
@@ -699,7 +848,7 @@
                 it('should callback parent and front child when clicking overlap', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.x = 25;
@@ -717,7 +866,7 @@
                 it('should callback parent when clicking behind child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.x = 25;
@@ -733,6 +882,42 @@
                 });
             });
         });
+
+        it('Semi-complicated nesting with overlap, should not call behind callback', function ()
+        {
+            const stage = new PIXI.Container();
+            const frontParent = new PIXI.Container();
+            const frontChild = new PIXI.Graphics();
+            const behindParent = new PIXI.Container();
+            const subParent = new PIXI.Container();
+            const behindChild = new PIXI.Graphics();
+            const behindCallback = sinon.spy(function behindSpy() { /* no op*/ });
+            const frontCallback = sinon.spy(function frontSpy() { /* no op*/ });
+
+            behindChild.beginFill(0xFF);
+            behindChild.drawRect(0, 0, 50, 50);
+            subParent.on('click', behindCallback);
+
+            frontChild.beginFill(0x00FF);
+            frontChild.drawRect(0, 0, 50, 50);
+            frontParent.on('click', frontCallback);
+            const pointer = this.pointer = new MockPointer(stage);
+
+            behindParent.x = 25;
+            subParent.interactive = true;
+            frontParent.interactive = true;
+
+            behindParent.addChild(subParent);
+            subParent.addChild(behindChild);
+            stage.addChild(behindParent);
+            frontParent.addChild(frontChild);
+            stage.addChild(frontParent);
+
+            pointer.click(40, 10);
+
+            expect(behindCallback).to.not.have.been.called;
+            expect(frontCallback).to.have.been.calledOnce;
+        });
     });
 
     describe('cursor changes', function ()
@@ -741,7 +926,7 @@
         {
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -759,7 +944,7 @@
         {
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -778,7 +963,7 @@
         {
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -797,7 +982,7 @@
         {
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -818,7 +1003,7 @@
             const graphics = new PIXI.Graphics();
             const overSpy = sinon.spy();
             const defaultSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -840,7 +1025,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const defaultSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -859,7 +1044,7 @@
         {
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -881,7 +1066,7 @@
         {
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -932,7 +1117,7 @@
             it('should stop hitTesting after first hit', function ()
             {
                 const scene = getScene();
-                const pointer = new MockPointer(scene.stage);
+                const pointer = this.pointer = new MockPointer(scene.stage);
                 const frontHitTest = sinon.spy(scene.frontChild, 'containsPoint');
                 const middleHitTest = sinon.spy(scene.middleChild, 'containsPoint');
                 const behindHitTest = sinon.spy(scene.behindChild, 'containsPoint');
@@ -954,7 +1139,7 @@
             it('should stop hitTesting after first hit', function ()
             {
                 const scene = getScene();
-                const pointer = new MockPointer(scene.stage);
+                const pointer = this.pointer = new MockPointer(scene.stage);
                 const frontHitTest = sinon.spy(scene.frontChild, 'containsPoint');
                 const middleHitTest = sinon.spy(scene.middleChild, 'containsPoint');
                 const behindHitTest = sinon.spy(scene.behindChild, 'containsPoint');
@@ -971,4 +1156,127 @@
             });
         });
     });
+
+    describe('pointer handling', function ()
+    {
+        it('pointer event from mouse should use single mouse data', function ()
+        {
+            const stage = new PIXI.Container();
+            const graphics = new PIXI.Graphics();
+            const pointer = this.pointer = new MockPointer(stage, 100, 100, true);
+
+            stage.addChild(graphics);
+            graphics.beginFill(0xFFFFFF);
+            graphics.drawRect(0, 0, 50, 50);
+            graphics.interactive = true;
+
+            pointer.mousemove(20, 10, true);
+
+            expect(pointer.interaction.mouse.global.x).to.equal(20);
+            expect(pointer.interaction.mouse.global.y).to.equal(10);
+        });
+    });
+
+    describe('data cleanup', function ()
+    {
+        it('touchleave after touchout should not orphan data', function ()
+        {
+            const stage = new PIXI.Container();
+            const graphics = new PIXI.Graphics();
+            const pointer = this.pointer = new MockPointer(stage);
+
+            stage.addChild(graphics);
+            graphics.beginFill(0xFFFFFF);
+            graphics.drawRect(0, 0, 50, 50);
+            graphics.interactive = true;
+
+            pointer.touchstart(10, 10, 42);
+            expect(pointer.interaction.activeInteractionData[42]).to.exist;
+            pointer.touchend(10, 10, 42);
+            expect(pointer.interaction.activeInteractionData[42]).to.be.undefined;
+            pointer.touchleave(10, 10, 42);
+            expect(pointer.interaction.activeInteractionData[42]).to.be.undefined;
+        });
+    });
+
+    describe('hitTest()', function ()
+    {
+        it('should return hit', function ()
+        {
+            const stage = new PIXI.Container();
+            const graphics = new PIXI.Graphics();
+            const pointer = this.pointer = new MockPointer(stage);
+
+            stage.addChild(graphics);
+            graphics.beginFill(0xFFFFFF);
+            graphics.drawRect(0, 0, 50, 50);
+            graphics.interactive = true;
+
+            pointer.render();
+            const hit = pointer.interaction.hitTest(new PIXI.Point(10, 10));
+
+            expect(hit).to.equal(graphics);
+        });
+
+        it('should return null if not hit', function ()
+        {
+            const stage = new PIXI.Container();
+            const graphics = new PIXI.Graphics();
+            const pointer = this.pointer = new MockPointer(stage);
+
+            stage.addChild(graphics);
+            graphics.beginFill(0xFFFFFF);
+            graphics.drawRect(0, 0, 50, 50);
+            graphics.interactive = true;
+
+            pointer.render();
+            const hit = pointer.interaction.hitTest(new PIXI.Point(60, 60));
+
+            expect(hit).to.be.null;
+        });
+
+        it('should return top thing that was hit', function ()
+        {
+            const stage = new PIXI.Container();
+            const graphics = new PIXI.Graphics();
+            const behind = new PIXI.Graphics();
+            const pointer = this.pointer = new MockPointer(stage);
+
+            stage.addChild(behind);
+            stage.addChild(graphics);
+            graphics.beginFill(0xFFFFFF);
+            graphics.drawRect(0, 0, 50, 50);
+            graphics.interactive = true;
+            behind.beginFill(0xFFFFFF);
+            behind.drawRect(0, 0, 50, 50);
+            behind.interactive = true;
+
+            pointer.render();
+            const hit = pointer.interaction.hitTest(new PIXI.Point(10, 10));
+
+            expect(hit).to.equal(graphics);
+        });
+
+        it('should return hit when passing in root', function ()
+        {
+            const stage = new PIXI.Container();
+            const graphics = new PIXI.Graphics();
+            const behind = new PIXI.Graphics();
+            const pointer = this.pointer = new MockPointer(stage);
+
+            stage.addChild(behind);
+            stage.addChild(graphics);
+            graphics.beginFill(0xFFFFFF);
+            graphics.drawRect(0, 0, 50, 50);
+            graphics.interactive = true;
+            behind.beginFill(0xFFFFFF);
+            behind.drawRect(0, 0, 50, 50);
+            behind.interactive = true;
+
+            pointer.render();
+            const hit = pointer.interaction.hitTest(new PIXI.Point(10, 10), behind);
+
+            expect(hit).to.equal(behind);
+        });
+    });
 });
diff --git a/test/interaction/MockPointer.js b/test/interaction/MockPointer.js
index 67878af..c9c6228 100644
--- a/test/interaction/MockPointer.js
+++ b/test/interaction/MockPointer.js
@@ -11,13 +11,43 @@
      * @param {PIXI.Container} stage - The root of the scene tree
      * @param {number} [width=100] - Width of the renderer
      * @param {number} [height=100] - Height of the renderer
+     * @param {boolean} [ensurePointerEvents=false] - If we should make sure that PointerEvents are 'supported'
      */
-    constructor(stage, width, height)
+    constructor(stage, width, height, ensurePointerEvents)
     {
+        // fake PointerEvent existing
+        if (ensurePointerEvents && !window.PointerEvent)
+        {
+            window.PointerEvent = class PointerEvent extends MouseEvent
+            {
+                //eslint-disable-next-line
+                constructor(type, opts)
+                {
+                    super(type, opts);
+                    this.pointerType = opts.pointerType;
+                }
+            };
+            this.createdPointerEvent = true;
+        }
+
         this.stage = stage;
         this.renderer = new PIXI.CanvasRenderer(width || 100, height || 100);
         this.renderer.sayHello = () => { /* empty */ };
         this.interaction = this.renderer.plugins.interaction;
+        this.interaction.supportsTouchEvents = true;
+        PIXI.ticker.shared.remove(this.interaction.update, this.interaction);
+    }
+
+    /**
+     * Cleans up after tests
+     */
+    cleanup()
+    {
+        if (this.createdPointerEvent)
+        {
+            delete window.PointerEvent;
+        }
+        this.renderer.destroy();
     }
 
     /**
@@ -45,14 +75,29 @@
     /**
      * @param {number} x - pointer x position
      * @param {number} y - pointer y position
+     * @param {boolean} [asPointer] - if it should be a PointerEvent from a mouse
      */
-    mousemove(x, y)
+    mousemove(x, y, asPointer)
     {
-        const mouseEvent = new MouseEvent('mousemove', {
-            clientX: x,
-            clientY: y,
-            preventDefault: sinon.stub(),
-        });
+        let mouseEvent;
+
+        if (asPointer)
+        {
+            mouseEvent = new PointerEvent('pointermove', {
+                pointerType: 'mouse',
+                clientX: x,
+                clientY: y,
+                preventDefault: sinon.stub(),
+            });
+        }
+        else
+        {
+            mouseEvent = new MouseEvent('mousemove', {
+                clientX: x,
+                clientY: y,
+                preventDefault: sinon.stub(),
+            });
+        }
 
         this.setPosition(x, y);
         this.render();
@@ -97,9 +142,15 @@
      */
     mousedown(x, y)
     {
+        const mouseEvent = new MouseEvent('mousedown', {
+            clientX: x,
+            clientY: y,
+            preventDefault: sinon.stub(),
+        });
+
         this.setPosition(x, y);
         this.render();
-        this.interaction.onMouseDown({ clientX: 0, clientY: 0, preventDefault: sinon.stub() });
+        this.interaction.onPointerDown(mouseEvent);
     }
 
     /**
@@ -108,47 +159,83 @@
      */
     mouseup(x, y)
     {
-        this.setPosition(x, y);
-        this.render();
-        this.interaction.onMouseUp({ clientX: 0, clientY: 0, preventDefault: sinon.stub() });
-    }
-
-    /**
-     * @param {number} x - pointer x position
-     * @param {number} y - pointer y position
-     */
-    tap(x, y)
-    {
-        this.touchstart(x, y);
-        this.touchend(x, y);
-    }
-
-    /**
-     * @param {number} x - pointer x position
-     * @param {number} y - pointer y position
-     */
-    touchstart(x, y)
-    {
-        this.setPosition(x, y);
-        this.render();
-        this.interaction.onTouchStart({
+        const mouseEvent = new MouseEvent('mouseup', {
+            clientX: x,
+            clientY: y,
             preventDefault: sinon.stub(),
-            changedTouches: [new Touch({ identifier: 0, target: this.renderer.view })],
         });
+
+        this.setPosition(x, y);
+        this.render();
+        this.interaction.onPointerUp(mouseEvent);
     }
 
     /**
      * @param {number} x - pointer x position
      * @param {number} y - pointer y position
+     * @param {number} [identifier] - pointer id
      */
-    touchend(x, y)
+    tap(x, y, identifier)
     {
+        this.touchstart(x, y, identifier);
+        this.touchend(x, y, identifier);
+    }
+
+    /**
+     * @param {number} x - pointer x position
+     * @param {number} y - pointer y position
+     * @param {number} [identifier] - pointer id
+     */
+    touchstart(x, y, identifier)
+    {
+        const touchEvent = new TouchEvent('touchstart', {
+            preventDefault: sinon.stub(),
+            changedTouches: [
+                new Touch({ identifier: identifier || 0, target: this.renderer.view }),
+            ],
+        });
+
         this.setPosition(x, y);
         this.render();
-        this.interaction.onTouchEnd({
+        this.interaction.onPointerDown(touchEvent);
+    }
+
+    /**
+     * @param {number} x - pointer x position
+     * @param {number} y - pointer y position
+     * @param {number} [identifier] - pointer id
+     */
+    touchend(x, y, identifier)
+    {
+        const touchEvent = new TouchEvent('touchend', {
             preventDefault: sinon.stub(),
-            changedTouches: [new Touch({ identifier: 0, target: this.renderer.view })],
+            changedTouches: [
+                new Touch({ identifier: identifier || 0, target: this.renderer.view }),
+            ],
         });
+
+        this.setPosition(x, y);
+        this.render();
+        this.interaction.onPointerUp(touchEvent);
+    }
+
+    /**
+     * @param {number} x - pointer x position
+     * @param {number} y - pointer y position
+     * @param {number} [identifier] - pointer id
+     */
+    touchleave(x, y, identifier)
+    {
+        const touchEvent = new TouchEvent('touchleave', {
+            preventDefault: sinon.stub(),
+            changedTouches: [
+                new Touch({ identifier: identifier || 0, target: this.renderer.view }),
+            ],
+        });
+
+        this.setPosition(x, y);
+        this.render();
+        this.interaction.onPointerOut(touchEvent);
     }
 }
 
diff --git a/test/loaders/spritesheetParser.js b/test/loaders/spritesheetParser.js
index 79f8c15..4d54805 100644
--- a/test/loaders/spritesheetParser.js
+++ b/test/loaders/spritesheetParser.js
@@ -60,11 +60,46 @@
                 .that.is.an.instanceof(PIXI.Texture);
     });
 
+    it('should build the image url', function ()
+    {
+        function getResourcePath(url, image)
+        {
+            return PIXI.loaders.getResourcePath({
+                url,
+                data: { meta: { image } },
+            });
+        }
+
+        let result = getResourcePath('http://some.com/spritesheet.json', 'img.png');
+
+        expect(result).to.be.equals('http://some.com/img.png');
+
+        result = getResourcePath('http://some.com/some/dir/spritesheet.json', 'img.png');
+        expect(result).to.be.equals('http://some.com/some/dir/img.png');
+
+        result = getResourcePath('http://some.com/some/dir/spritesheet.json', './img.png');
+        expect(result).to.be.equals('http://some.com/some/dir/img.png');
+
+        result = getResourcePath('http://some.com/some/dir/spritesheet.json', '../img.png');
+        expect(result).to.be.equals('http://some.com/some/img.png');
+
+        result = getResourcePath('/spritesheet.json', 'img.png');
+        expect(result).to.be.equals('/img.png');
+
+        result = getResourcePath('/some/dir/spritesheet.json', 'img.png');
+        expect(result).to.be.equals('/some/dir/img.png');
+
+        result = getResourcePath('/some/dir/spritesheet.json', './img.png');
+        expect(result).to.be.equals('/some/dir/img.png');
+
+        result = getResourcePath('/some/dir/spritesheet.json', '../img.png');
+        expect(result).to.be.equals('/some/img.png');
+    });
+
     // TODO: Test that rectangles are created correctly.
     // TODO: Test that bathc processing works correctly.
     // TODO: Test that resolution processing works correctly.
     // TODO: Test that metadata is honored.
-    // TODO: Test data-url code paths.
 });
 
 function createMockResource(type, data)

diff --git a/.travis.yml b/.travis.yml
index 3df8b22..14de334 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,3 +110,43 @@
     on:
         all_branches: true
         condition: $TRAVIS_TAG
+  # Deploy config for latest release
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: dist
+    upload-dir: "release"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: docs
+    upload-dir: "release/docs"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
+  - provider: s3
+    access_key_id: $S3_ACCESS_KEY_ID
+    secret_access_key: $S3_SECRET_ACCESS_KEY
+    bucket: "pixi.js"
+    skip_cleanup: true
+    acl: public_read
+    region: eu-west-1
+    cache_control: "max-age=1209600"
+    local_dir: coverage
+    upload-dir: "release/coverage"
+    on:
+        all_branches: true
+        condition: $TRAVIS_TAG
\ No newline at end of file
diff --git a/README.md b/README.md
index d26fadd..3b85f85 100644
--- a/README.md
+++ b/README.md
@@ -36,22 +36,14 @@
 - Wiki: Other misc tutorials and resources are [on the Wiki](https://github.com/pixijs/pixi.js/wiki/Resources).
 
 ### Community ###
-- Forums: Check out the [forum] (http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow] (http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
+- Forums: Check out the [forum](http://www.html5gamedevs.com/forum/15-pixijs/) and [Stackoverflow](http://stackoverflow.com/search?q=pixi.js), both friendly places to ask your pixi questions.
 - Inspiration: Check out the [gallery](http://www.pixijs.com/gallery) to see some of the amazing things people have created!
 - Chat: You can join us on [Gitter](https://gitter.im/pixijs/pixi.js) To chat about Pixi. We also now have a Slack channel. If you would like to join it please Send me an email (mat@goodboydigital.com) and I will invite you in.
 
 
 ### Setup ###
 
-It's easy to get started with Pixi.js! Simply grab the pre-built versions from here:
-
-Release Branch - Nice and stable Pixi.js
-- Unminified: [http://pixijs.download/release/pixi.js]
-- Minified: [http://pixijs.download/release/pixi.min.js]
-
-Develop Branch - The bleeding edge version of Pixi.js
-- Unminified: [http://pixijs.download/dev/pixi.js]
-- Minified: [http://pixijs.download/dev/pixi.min.js]
+It's easy to get started with Pixi.js! Simply download a [prebuilt build](https://github.com/pixijs/pixi.js/wiki/FAQs#where-can-i-get-a-build)!
 
 Alternatively, Pixi.js can be installed with [Bower](https://bower.io/#getting-started), [npm](https://docs.npmjs.com/getting-started/what-is-npm) or simply using a content delivery network (CDN) URL to embed Pixi.js directly on your HTML page.
 
@@ -70,10 +62,10 @@
 #### CDN Install (via cdnjs)
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.2.2/pixi.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.4.3/pixi.min.js"></script>
 ```
 
-_Note: `4.2.2` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
+_Note: `4.4.3` can be replaced by any [released](https://github.com/pixijs/pixi.js/releases) version._
 
 ### Demos ###
 
@@ -130,7 +122,7 @@
 // and the root stage PIXI.Container.
 var app = new PIXI.Application();
 
-// The application will create a canvas element for you that you 
+// The application will create a canvas element for you that you
 // can then insert into the DOM.
 document.body.appendChild(app.view);
 
@@ -150,7 +142,7 @@
 
     // Add the bunny to the scene we are building.
     app.stage.addChild(bunny);
-    
+
     // Listen for frame updates
     app.ticker.add(function() {
          // each frame we spin the bunny around a bit
diff --git a/bower.json b/bower.json
deleted file mode 100644
index 41b668c..0000000
--- a/bower.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-    "name": "pixi.js",
-    "main": "dist/pixi.min.js",
-    "ignore": [
-        "**/.*",
-        "docs",
-        "node_modules",
-        "bower_components",
-        "test",
-        "scripts",
-        "bower.json",
-        "inch.json"
-    ],
-    "dependencies": {
-    },
-    "devDependencies": {
-    }
-}
diff --git a/package.json b/package.json
index d35cbb2..308469f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pixi.js",
-  "version": "4.3.5",
+  "version": "4.4.4",
   "description": "Pixi.js is a fast lightweight 2D library that works across all devices.",
   "author": "Mat Groves",
   "contributors": [
@@ -40,11 +40,11 @@
     "lib": "babel src --out-dir lib -s",
     "predocs": "rimraf docs/**",
     "docs": "jsdoc -c scripts/jsdoc.conf.json -R README.md",
-    "publish:patch": "npm version patch --no-git-tag-version && npm publish",
-    "publish:minor": "npm version minor --no-git-tag-version && npm publish",
-    "publish:major": "npm version major --no-git-tag-version && npm publish",
+    "publish:patch": "npm version patch && npm publish",
+    "publish:minor": "npm version minor && npm publish",
+    "publish:major": "npm version major && npm publish",
     "postversion": "npm run clean && npm run build && npm run lib && npm test",
-    "postpublish": "node scripts/release.js"
+    "postpublish": "git push && git push --tags"
   },
   "files": [
     "dist/",
@@ -72,7 +72,6 @@
     "electron": "^1.4.15",
     "eslint": "^3.5.0",
     "floss": "^2.0.1",
-    "gh-pages": "^0.11.0",
     "jaguarjs-jsdoc": "^1.0.1",
     "js-md5": "^0.4.1",
     "jsdoc": "^3.4.2",
diff --git a/scripts/jsdoc.conf.json b/scripts/jsdoc.conf.json
index 553e61c..3f52180 100644
--- a/scripts/jsdoc.conf.json
+++ b/scripts/jsdoc.conf.json
@@ -43,7 +43,7 @@
     },
     "markdown"  : {
         "parser"        : "gfm",
-        "hardwrap"      : true
+        "hardwrap"      : false
     },
     "opts": {
         "encoding"      : "utf8",
diff --git a/scripts/release.js b/scripts/release.js
deleted file mode 100644
index 156620c..0000000
--- a/scripts/release.js
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-'use strict';
-
-// Publish script to push releases of the bin files
-// the normally are gitignored
-const ghpages = require('gh-pages');
-const path = require('path');
-const packageInfo = require(path.join(__dirname, '..', 'package.json'));
-
-const options = {
-    src: [
-        'dist/**/*',
-        'lib/**/*',
-        'src/**/*',
-        'scripts/*',
-        'scripts/renders/*',
-        'test/**/*',
-        '*.json',
-        '*.md',
-        'LICENSE',
-        '.eslintrc',
-        '.editorconfig',
-        '.travis.yml',
-        '.babelrc',
-    ],
-    dotfiles: true,
-    branch: 'release',
-    message: packageInfo.version,
-    logger: console.log.bind(console),
-};
-
-ghpages.publish(process.cwd(), options, (err) =>
-{
-    if (err)
-    {
-        console.log(err);
-        process.exit(1);
-
-        return;
-    }
-
-    process.exit(0);
-});
diff --git a/src/accessibility/AccessibilityManager.js b/src/accessibility/AccessibilityManager.js
index f16bcb1..220427a 100644
--- a/src/accessibility/AccessibilityManager.js
+++ b/src/accessibility/AccessibilityManager.js
@@ -21,7 +21,7 @@
 const DIV_HOOK_ZINDEX = 2;
 
 /**
- * The Accessibility manager reacreates the ability to tab and and have content read by screen
+ * The Accessibility manager recreates the ability to tab and and have content read by screen
  * readers. This is very important as it can possibly help people with disabilities access pixi
  * content.
  *
diff --git a/src/accessibility/index.js b/src/accessibility/index.js
index 568cfb1..0ae108f 100644
--- a/src/accessibility/index.js
+++ b/src/accessibility/index.js
@@ -1,4 +1,9 @@
 /**
+ * This namespace contains a renderer plugin for interaction accessibility for end-users
+ * with physical impairments which require screen-renders, keyboard navigation, etc.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.accessibility
  */
 export { default as accessibleTarget } from './accessibleTarget';
diff --git a/src/core/Application.js b/src/core/Application.js
index 5340578..2fcc729 100644
--- a/src/core/Application.js
+++ b/src/core/Application.js
@@ -1,6 +1,8 @@
 import { autoDetectRenderer } from './autoDetectRenderer';
 import Container from './display/Container';
 import { shared, Ticker } from './ticker';
+import settings from './settings';
+import { UPDATE_PRIORITY } from './const';
 
 /**
  * Convenience class to create a new PIXI application.
@@ -22,28 +24,52 @@
  */
 export default class Application
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [width=800] - the width of the renderers view
-     * @param {number} [height=600] - the height of the renderers view
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the renderers view
+     * @param {number} [options.height=600] - the height of the renderers view
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
      * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
      *      need to call toDataUrl on the webgl context
      * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
-     * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+     * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experience unexplained flickering try setting this to true.
-     * @param {boolean} [useSharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.ticker.shared, `false` to create new ticker.
+     * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.loaders.shared, `false` to create new Loader.
      */
-    constructor(width, height, options, noWebGL, useSharedTicker = false)
+    constructor(options, arg2, arg3, arg4, arg5)
     {
+        // Support for constructor(width, height, options, noWebGL, useSharedTicker)
+        if (typeof options === 'number')
+        {
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+                forceCanvas: !!arg4,
+                sharedTicker: !!arg5,
+            }, arg3);
+        }
+
+        /**
+         * The default options, so we mixin functionality later.
+         * @member {object}
+         * @protected
+         */
+        this._options = options = Object.assign({
+            sharedTicker: false,
+            forceCanvas: false,
+            sharedLoader: false,
+        }, options);
+
         /**
          * WebGL renderer if available, otherwise CanvasRenderer
          * @member {PIXI.WebGLRenderer|PIXI.CanvasRenderer}
          */
-        this.renderer = autoDetectRenderer(width, height, options, noWebGL);
+        this.renderer = autoDetectRenderer(options);
 
         /**
          * The root display container that's rendered.
@@ -63,7 +89,7 @@
          * @member {PIXI.ticker.Ticker}
          * @default PIXI.ticker.shared
          */
-        this.ticker = useSharedTicker ? shared : new Ticker();
+        this.ticker = options.sharedTicker ? shared : new Ticker();
 
         // Start the rendering
         this.start();
@@ -78,7 +104,7 @@
         this._ticker = ticker;
         if (ticker)
         {
-            ticker.add(this.render, this);
+            ticker.add(this.render, this, UPDATE_PRIORITY.LOW);
         }
     }
     get ticker() // eslint-disable-line require-jsdoc
@@ -136,13 +162,18 @@
      */
     destroy(removeView)
     {
-        this.stop();
+        const oldTicker = this._ticker;
+
         this.ticker = null;
 
+        oldTicker.destroy();
+
         this.stage.destroy();
         this.stage = null;
 
         this.renderer.destroy(removeView);
         this.renderer = null;
+
+        this._options = null;
     }
 }
diff --git a/src/core/autoDetectRenderer.js b/src/core/autoDetectRenderer.js
index 8960425..9ec0364 100644
--- a/src/core/autoDetectRenderer.js
+++ b/src/core/autoDetectRenderer.js
@@ -2,6 +2,7 @@
 import CanvasRenderer from './renderers/canvas/CanvasRenderer';
 import WebGLRenderer from './renderers/webgl/WebGLRenderer';
 
+// eslint-disable-next-line valid-jsdoc
 /**
  * This helper function will automatically detect which renderer you should be using.
  * WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
@@ -9,24 +10,32 @@
  *
  * @memberof PIXI
  * @function autoDetectRenderer
- * @param {number} [width=800] - the width of the renderers view
- * @param {number} [height=600] - the height of the renderers view
  * @param {object} [options] - The optional renderer parameters
+ * @param {number} [options.width=800] - the width of the renderers view
+ * @param {number} [options.height=600] - the height of the renderers view
  * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
  * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
  * @param {boolean} [options.antialias=false] - sets antialias (only applicable in chrome at the moment)
  * @param {boolean} [options.preserveDrawingBuffer=false] - enables drawing buffer preservation, enable this if you
  *      need to call toDataUrl on the webgl context
  * @param {number} [options.resolution=1] - The resolution / device pixel ratio of the renderer, retina would be 2
- * @param {boolean} [noWebGL=false] - prevents selection of WebGL renderer, even if such is present
+ * @param {boolean} [options.forceCanvas=false] - prevents selection of WebGL renderer, even if such is present
  * @return {PIXI.WebGLRenderer|PIXI.CanvasRenderer} Returns WebGL renderer if available, otherwise CanvasRenderer
  */
-export function autoDetectRenderer(width = 800, height = 600, options, noWebGL)
+export function autoDetectRenderer(options, arg1, arg2, arg3)
 {
-    if (!noWebGL && utils.isWebGLSupported())
+    // Backward-compatible support for noWebGL option
+    let forceCanvas = options && options.forceCanvas;
+
+    if (arg3 !== undefined)
     {
-        return new WebGLRenderer(width, height, options);
+        forceCanvas = arg3;
     }
 
-    return new CanvasRenderer(width, height, options);
+    if (!forceCanvas && utils.isWebGLSupported())
+    {
+        return new WebGLRenderer(options, arg1, arg2);
+    }
+
+    return new CanvasRenderer(options, arg1, arg2);
 }
diff --git a/src/core/const.js b/src/core/const.js
index b9e99ae..2c68dee 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -341,3 +341,27 @@
     LINEAR_VERTICAL: 0,
     LINEAR_HORIZONTAL: 1,
 };
+
+/**
+ * Represents the update priorities used by internal PIXI classes when registered with
+ * the {@link PIXI.ticker.Ticker} object. Higher priority items are updated first and lower
+ * priority items, such as render, should go later.
+ *
+ * @static
+ * @constant
+ * @name UPDATE_PRIORITY
+ * @memberof PIXI
+ * @type {object}
+ * @property {number} INTERACTION=50 Highest priority, used for {@link PIXI.interaction.InteractionManager}
+ * @property {number} HIGH=25 High priority updating, {@link PIXI.VideoBaseTexture} and {@link PIXI.extras.AnimatedSprite}
+ * @property {number} NORMAL=0 Default priority for ticker events, see {@link PIXI.ticker.Ticker#add}.
+ * @property {number} LOW=-25 Low priority used for {@link PIXI.Application} rendering.
+ * @property {number} UTILITY=-50 Lowest priority used for {@link PIXI.prepare.BasePrepare} utility.
+ */
+export const UPDATE_PRIORITY = {
+    INTERACTION: 50,
+    HIGH: 25,
+    NORMAL: 0,
+    LOW: -25,
+    UTILITY: -50,
+};
diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 4e6c77d..decb42a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -13,7 +13,6 @@
  *
  * @class
  * @extends EventEmitter
- * @mixes PIXI.interaction.interactiveTarget
  * @memberof PIXI
  */
 export default class DisplayObject extends EventEmitter
@@ -113,6 +112,29 @@
          * @private
          */
         this._mask = null;
+
+        /**
+         * If the object has been destroyed via destroy(). If true, it should not be used.
+         *
+         * @member {boolean}
+         * @private
+         * @readonly
+         */
+        this._destroyed = false;
+
+        /**
+         * Fired when this DisplayObject is added to a Container.
+         *
+         * @event PIXI.DisplayObject#added
+         * @param {PIXI.Container} container - The container added to.
+         */
+
+        /**
+         * Fired when this DisplayObject is removed from a Container.
+         *
+         * @event PIXI.DisplayObject#removed
+         * @param {PIXI.Container} container - The container removed from.
+         */
     }
 
     /**
@@ -403,6 +425,8 @@
 
         this.interactive = false;
         this.interactiveChildren = false;
+
+        this._destroyed = true;
     }
 
     /**
diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index aafdfe2..f787c4a 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -792,8 +792,8 @@
         sprite.worldAlpha = this.worldAlpha * sprite.alpha;
         sprite.blendMode = this.blendMode;
 
-        sprite.texture._frame.width = rect.width;
-        sprite.texture._frame.height = rect.height;
+        sprite._texture._frame.width = rect.width;
+        sprite._texture._frame.height = rect.height;
 
         sprite.transform.worldTransform = this.transform.worldTransform;
 
diff --git a/src/core/renderers/SystemRenderer.js b/src/core/renderers/SystemRenderer.js
index a24c775..b9f192d 100644
--- a/src/core/renderers/SystemRenderer.js
+++ b/src/core/renderers/SystemRenderer.js
@@ -19,11 +19,12 @@
  */
 export default class SystemRenderer extends EventEmitter
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      * @param {string} system - The name of the system this renderer is for.
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -37,27 +38,31 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(system, screenWidth, screenHeight, options)
+    constructor(system, options, arg2, arg3)
     {
         super();
 
         sayHello(system);
 
-        // prepare options
-        if (options)
+        // Support for constructor(system, screenWidth, screenHeight, options)
+        if (typeof options === 'number')
         {
-            for (const i in settings.RENDER_OPTIONS)
-            {
-                if (typeof options[i] === 'undefined')
-                {
-                    options[i] = settings.RENDER_OPTIONS[i];
-                }
-            }
+            options = Object.assign({
+                width: options,
+                height: arg2 || settings.RENDER_OPTIONS.height,
+            }, arg3);
         }
-        else
-        {
-            options = settings.RENDER_OPTIONS;
-        }
+
+        // Add the default render options
+        options = Object.assign({}, settings.RENDER_OPTIONS, options);
+
+        /**
+         * The supplied constructor options.
+         *
+         * @member {Object}
+         * @readOnly
+         */
+        this.options = options;
 
         /**
          * The type of the renderer.
@@ -75,7 +80,7 @@
          *
          * @member {PIXI.Rectangle}
          */
-        this.screen = new Rectangle(0, 0, screenWidth || 800, screenHeight || 600);
+        this.screen = new Rectangle(0, 0, options.width, options.height);
 
         /**
          * The canvas element that everything is drawn to
@@ -279,6 +284,8 @@
 
         this.blendModes = null;
 
+        this.options = null;
+
         this.preserveDrawingBuffer = false;
         this.clearBeforeRender = false;
 
diff --git a/src/core/renderers/canvas/CanvasRenderer.js b/src/core/renderers/canvas/CanvasRenderer.js
index e84e49c..691caf0 100644
--- a/src/core/renderers/canvas/CanvasRenderer.js
+++ b/src/core/renderers/canvas/CanvasRenderer.js
@@ -17,10 +17,11 @@
  */
 export default class CanvasRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -34,9 +35,9 @@
      * @param {boolean} [options.roundPixels=false] - If true Pixi will Math.floor() x/y values when rendering,
      *  stopping pixel interpolation.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('Canvas', screenWidth, screenHeight, options);
+        super('Canvas', options, arg2, arg3);
 
         this.type = RENDERER_TYPE.CANVAS;
 
@@ -96,7 +97,19 @@
         this.context = null;
         this.renderingToScreen = false;
 
-        this.resize(screenWidth, screenHeight);
+        this.resize(this.options.width, this.options.height);
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.CanvasRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.CanvasRenderer#prerender
+         */
     }
 
     /**
@@ -299,4 +312,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.CanvasRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.CanvasExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.CanvasPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.CanvasRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(CanvasRenderer);
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index e1cf7cd..f6fe123 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -31,11 +31,12 @@
  */
 export default class WebGLRenderer extends SystemRenderer
 {
+    // eslint-disable-next-line valid-jsdoc
     /**
      *
-     * @param {number} [screenWidth=800] - the width of the screen
-     * @param {number} [screenHeight=600] - the height of the screen
      * @param {object} [options] - The optional renderer parameters
+     * @param {number} [options.width=800] - the width of the screen
+     * @param {number} [options.height=600] - the height of the screen
      * @param {HTMLCanvasElement} [options.view] - the canvas to use as a view, optional
      * @param {boolean} [options.transparent=false] - If the render view is transparent, default false
      * @param {boolean} [options.autoResize=false] - If the render view is automatically resized, default false
@@ -55,9 +56,9 @@
      * @param {boolean} [options.legacy=false] - If true Pixi will aim to ensure compatibility
      * with older / less advanced devices. If you experiance unexplained flickering try setting this to true.
      */
-    constructor(screenWidth, screenHeight, options = {})
+    constructor(options, arg2, arg3)
     {
-        super('WebGL', screenWidth, screenHeight, options);
+        super('WebGL', options, arg2, arg3);
 
         /**
          * The type of this renderer as a standardised const
@@ -89,12 +90,6 @@
         };
 
 
-        /**
-         * The options passed in to create a new webgl context.
-         *
-         * @member {object}
-         * @private
-         */
         this._backgroundColorRgba[3] = this.transparent ? 0 : 1;
 
         this.globalUniforms = new UniformGroup({
@@ -117,6 +112,13 @@
 
         this.initPlugins();
 
+
+        /**
+         * The options passed in to create a new webgl context.
+         *
+         * @member {object}
+         * @private
+         */
         if(options.context)
         {
             this.context.initFromContext(options.context);
@@ -169,6 +171,25 @@
         }
 
         return this;
+
+        /**
+         * Fired after rendering finishes.
+         *
+         * @event PIXI.WebGLRenderer#postrender
+         */
+
+        /**
+         * Fired before rendering starts.
+         *
+         * @event PIXI.WebGLRenderer#prerender
+         */
+
+        /**
+         * Fired when the WebGL context is set.
+         *
+         * @event PIXI.WebGLRenderer#context
+         * @param {WebGLRenderingContext} gl - WebGL context.
+         */
     }
 
     /**
@@ -295,4 +316,25 @@
     }
 }
 
+/**
+ * Collection of installed plugins. These are included by default in PIXI, but can be excluded
+ * by creating a custom build. Consult the README for more information about creating custom
+ * builds and excluding plugins.
+ * @name PIXI.WebGLRenderer#plugins
+ * @type {object}
+ * @readonly
+ * @property {PIXI.accessibility.AccessibilityManager} accessibility Support tabbing interactive elements.
+ * @property {PIXI.extract.WebGLExtract} extract Extract image data from renderer.
+ * @property {PIXI.interaction.InteractionManager} interaction Handles mouse, touch and pointer events.
+ * @property {PIXI.prepare.WebGLPrepare} prepare Pre-render display objects.
+ */
+
+/**
+ * Adds a plugin to the renderer.
+ *
+ * @method PIXI.WebGLRenderer#registerPlugin
+ * @param {string} pluginName - The name of the plugin.
+ * @param {Function} ctor - The constructor function or class for the plugin.
+ */
+
 pluginTarget.mixin(WebGLRenderer);
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 4eb6128..fa3d883 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -47,6 +47,14 @@
          * @member {boolean}
          */
         this.enabled = true;
+
+        /**
+         * If enabled, pixi will fit the filter area into boundaries for better performance.
+         * Switch it off if it does not work for specific shader.
+         *
+         * @member {boolean}
+         */
+        this.autoFit = true;
     }
 
     /**
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index ff958c7..8df85ea 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -75,7 +75,8 @@
      */
     createContext(canvas, options)
     {
-        var gl = canvas.getContext('webgl', options) ||
+        var gl = //canvas.getContext('webgl2', options) ||
+             canvas.getContext('webgl', options) ||
              canvas.getContext('experimental-webgl', options);
 
         if (!gl)
diff --git a/src/core/renderers/webgl/systems/FilterSystem.js b/src/core/renderers/webgl/systems/FilterSystem.js
index f47335d..37e28d2 100644
--- a/src/core/renderers/webgl/systems/FilterSystem.js
+++ b/src/core/renderers/webgl/systems/FilterSystem.js
@@ -111,7 +111,7 @@
 
             // TODO we should fit the rect around the transform..
         }
-        else
+        else if (filters[0].autoFit)
         {
             sourceFrame.fit(filterData.stack[0].destinationFrame);
         }
diff --git a/src/core/renderers/webgl/systems/shader/shader/mapType.js b/src/core/renderers/webgl/systems/shader/shader/mapType.js
index 581dace..917538a 100644
--- a/src/core/renderers/webgl/systems/shader/shader/mapType.js
+++ b/src/core/renderers/webgl/systems/shader/shader/mapType.js
@@ -15,7 +15,7 @@
         }
     }
 
-  return GL_TABLE[type];
+    return GL_TABLE[type];
 };
 
 var GL_TABLE = null;
diff --git a/src/core/settings.js b/src/core/settings.js
index 18c5877..38ef45c 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -2,6 +2,15 @@
 import canUploadSameBuffer from './utils/canUploadSameBuffer';
 
 /**
+ * User's customizable globals for overriding the default PIXI settings, such
+ * as a renderer's default resolution, framerate, float percision, etc.
+ * @example
+ * // Use the native window resolution as the default resolution
+ * // will support high-density displays when rendering
+ * PIXI.settings.RESOLUTION = window.devicePixelRatio.
+ *
+ * // Disable interpolation when scaling, will make texture be pixelated
+ * PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
  * @namespace PIXI.settings
  */
 export default {
@@ -101,6 +110,9 @@
      * @property {boolean} clearBeforeRender=true
      * @property {boolean} preserveDrawingBuffer=false
      * @property {boolean} roundPixels=false
+     * @property {number} width=800
+     * @property {number} height=600
+     * @property {boolean} legacy=false
      */
     RENDER_OPTIONS: {
         view: null,
@@ -112,6 +124,9 @@
         clearBeforeRender: true,
         preserveDrawingBuffer: false,
         roundPixels: false,
+        width: 800,
+        height: 600,
+        legacy: false,
     },
 
     /**
diff --git a/src/core/shader/Program.js b/src/core/shader/Program.js
index c0b538b..07b4398 100644
--- a/src/core/shader/Program.js
+++ b/src/core/shader/Program.js
@@ -1,6 +1,6 @@
 import extractUniformsFromSrc from './extractUniformsFromSrc';
 import generateUniformsSync from './generateUniformsSync';
-import glCore from 'pixi-gl-core';
+import shaderUtils from '../renderers/webgl/systems/shader/shader';
 import { ProgramCache } from '../utils';
 import getTestContext from '../utils/getTestContext';
 
@@ -64,14 +64,17 @@
         }
         else
         {
-            vertexSrc = glCore.shader.setPrecision(vertexSrc, 'mediump');
-            fragmentSrc = glCore.shader.setPrecision(fragmentSrc, 'mediump');
+            vertexSrc = shaderUtils.setPrecision(vertexSrc, 'mediump');
+            fragmentSrc = shaderUtils.setPrecision(fragmentSrc, 'mediump');
 
-            const program = glCore.shader.compileProgram(gl, vertexSrc, fragmentSrc);
+            const program = shaderUtils.compileProgram(gl, vertexSrc, fragmentSrc);
+            console.log("<<<<<<<extracting data<<<<>>>><<");
 
             this.attributeData = this.getAttributeData(program, gl);
             this.uniformData = this.getUniformData(program, gl);
 
+            console.log(this.uniformData);
+
             //gl.deleteProgram(program);
         }
     }
@@ -95,13 +98,13 @@
         for (let i = 0; i < totalAttributes; i++)
         {
             const attribData = gl.getActiveAttrib(program, i);
-            const type = glCore.shader.mapType(gl, attribData.type);
+            const type = shaderUtils.mapType(gl, attribData.type);
 
             /*eslint-disable */
             const data = {
                 type: type,
                 name: attribData.name,
-                size: glCore.shader.mapSize(type),
+                size: shaderUtils.mapSize(type),
                 location: 0,
             };
             /*eslint-enable */
@@ -137,13 +140,14 @@
 
         // TODO expose this as a prop?
        // const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
-        const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
+        //const maskRegex = new RegExp('^(projectionMatrix|uSampler|translationMatrix)$');
 
         for (let i = 0; i < totalUniforms; i++)
         {
             const uniformData = gl.getActiveUniform(program, i);
             const name = uniformData.name.replace(/\[.*?\]/, '');
-            const type = glCore.shader.mapType(gl, uniformData.type);
+            const type = shaderUtils.mapType(gl, uniformData.type);
+            console.log('mapping ' + uniformData.type + ' to ' + type);
 
            // if (!name.match(maskRegex))
             {
@@ -151,7 +155,7 @@
                 uniforms[name] = {
                     type: type,
                     size: uniformData.size,
-                    value: glCore.shader.defaultValue(type, uniformData.size),
+                    value: shaderUtils.defaultValue(type, uniformData.size),
                 };
                 /*eslint-enable */
             }
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index e387e99..b57d095 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -147,12 +147,12 @@
         // so if _width is 0 then width was not set..
         if (this._width)
         {
-            this.scale.x = sign(this.scale.x) * this._width / this.texture.orig.width;
+            this.scale.x = sign(this.scale.x) * this._width / this._texture.orig.width;
         }
 
         if (this._height)
         {
-            this.scale.y = sign(this.scale.y) * this._height / this.texture.orig.height;
+            this.scale.y = sign(this.scale.y) * this._height / this._texture.orig.height;
         }
     }
 
diff --git a/src/core/sprites/canvas/CanvasTinter.js b/src/core/sprites/canvas/CanvasTinter.js
index 27e5e0c..fd9de5d 100644
--- a/src/core/sprites/canvas/CanvasTinter.js
+++ b/src/core/sprites/canvas/CanvasTinter.js
@@ -18,7 +18,7 @@
      */
     getTintedTexture: (sprite, color) =>
     {
-        const texture = sprite.texture;
+        const texture = sprite._texture;
 
         color = CanvasTinter.roundColor(color);
 
diff --git a/src/core/text/Text.js b/src/core/text/Text.js
index 5a4edda..8b9b797 100644
--- a/src/core/text/Text.js
+++ b/src/core/text/Text.js
@@ -344,6 +344,7 @@
 
         const texture = this._texture;
         const style = this._style;
+        const padding = style.trim ? 0 : style.padding;
 
         texture.baseTexture.valid = true;
         texture.baseTexture.resolution = this.resolution;
@@ -353,11 +354,11 @@
         texture.trim.width = texture._frame.width = this.canvas.width / this.resolution;
         texture.trim.height = texture._frame.height = this.canvas.height / this.resolution;
 
-        texture.trim.x = -style.padding;
-        texture.trim.y = -style.padding;
+        texture.trim.x = -padding;
+        texture.trim.y = -padding;
 
-        texture.orig.width = texture._frame.width - (style.padding * 2);
-        texture.orig.height = texture._frame.height - (style.padding * 2);
+        texture.orig.width = texture._frame.width - (padding * 2);
+        texture.orig.height = texture._frame.height - (padding * 2);
 
         // call sprite onTextureUpdate to update scale if _width or _height were set
         this._onTextureUpdate();
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 853da3d..8a9c34b 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -114,6 +114,38 @@
         this.cacheId = null;
 
         this.validate();
+
+        /**
+         * Fired when a not-immediately-available source finishes loading.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#loaded
+         * @param {PIXI.BaseTexture} baseTexture - Resource loaded.
+         */
+
+        /**
+         * Fired when a not-immediately-available source fails to load.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#error
+         * @param {PIXI.BaseTexture} baseTexture - Resource errored.
+         */
+
+        /**
+         * Fired when BaseTexture is updated.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#update
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being updated.
+         */
+
+        /**
+         * Fired when BaseTexture is destroyed.
+         *
+         * @protected
+         * @event PIXI.BaseTexture#dispose
+         * @param {PIXI.BaseTexture} baseTexture - Instance of texture being destroyed.
+         */
     }
 
     setResource(resource)
diff --git a/src/core/textures/Spritesheet.js b/src/core/textures/Spritesheet.js
index d469c62..9b24f27 100644
--- a/src/core/textures/Spritesheet.js
+++ b/src/core/textures/Spritesheet.js
@@ -208,6 +208,7 @@
 
                 // lets also add the frame to pixi's global cache for fromFrame and fromImage functions
                 TextureCache[i] = this.textures[i];
+                this.textures[i].textureCacheId = i;
             }
 
             frameIndex++;
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 0a2c379..2213087 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -147,9 +147,9 @@
         /**
          * Fired when the texture is updated. This happens if the frame or the baseTexture is updated.
          *
-         * @event update
-         * @memberof PIXI.Texture#
+         * @event PIXI.Texture#update
          * @protected
+         * @param {PIXI.Texture} texture - Instance of texture being updated.
          */
 
         this._updateID = 0;
@@ -159,6 +159,15 @@
          * @type {Object}
          */
         this.transform = null;
+
+        /**
+         * The id under which this Texture has been added to the texture cache. This is
+         * automatically set in certain cases, but may not always be accurate, particularly if
+         * the texture is in the cache under multiple ids.
+         *
+         * @member {string}
+         */
+        this.textureCacheId = null;
     }
 
     /**
@@ -225,11 +234,17 @@
         this._uvs = null;
         this.trim = null;
         this.orig = null;
+        this.textureCacheId = null;
 
         this.valid = false;
 
-        this.off('dispose', this.dispose, this);
-        this.off('update', this.update, this);
+        for (const prop in TextureCache)
+        {
+            if (TextureCache[prop] === this)
+            {
+                delete TextureCache[prop];
+            }
+        }
     }
 
     /**
@@ -315,14 +330,15 @@
      */
     static fromLoader(source, imageUrl, name)
     {
-       // console.log('added from loader...')
+        // console.log('added from loader...')
         const resource = new ImageResource(source);//.from(imageUrl, crossorigin);// document.createElement('img');
 
-      //  console.log('base resource ' + resource.width);
+        //  console.log('base resource ' + resource.width);
         const baseTexture = new BaseTexture(resource,
                                             settings.SCALE_MODE,
                                             getResolutionOfUrl(imageUrl));
 
+
        /// console.log('base width ' + baseTexture.width);
         const texture = new Texture(baseTexture);
 
@@ -335,6 +351,7 @@
         // lets also add the frame to pixi's global cache for fromFrame and fromImage fucntions
         BaseTextureCache[name] = baseTexture;
         TextureCache[name] = texture;
+        texture.textureCacheId = name;
 
         // also add references by url if they are different.
         if (name !== imageUrl)
@@ -355,6 +372,10 @@
      */
     static addTextureToCache(texture, id)
     {
+        if (!texture.textureCacheId)
+        {
+            texture.textureCacheId = id;
+        }
         TextureCache[id] = texture;
     }
 
@@ -495,6 +516,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 removeAllHandlers(Texture.EMPTY);
+removeAllHandlers(Texture.EMPTY.baseTexture);
 
 /**
  * A white texture of 10x10 size, used for graphics and other things
@@ -505,3 +527,4 @@
  */
 Texture.WHITE = createWhiteTexture();
 removeAllHandlers(Texture.WHITE);
+removeAllHandlers(Texture.WHITE.baseTexture);
diff --git a/src/core/textures/VideoBaseTexture.js b/src/core/textures/VideoBaseTexture.js
index 59eb9fd..a9b9f51 100644
--- a/src/core/textures/VideoBaseTexture.js
+++ b/src/core/textures/VideoBaseTexture.js
@@ -1,6 +1,7 @@
 import BaseTexture from './BaseTexture';
 import { uid, BaseTextureCache } from '../utils';
-import * as ticker from '../ticker';
+import { shared } from '../ticker';
+import { UPDATE_PRIORITY } from '../const';
 
 /**
  * A texture of a [playing] Video.
@@ -125,7 +126,7 @@
 
         if (!this._isAutoUpdating && this.autoUpdate)
         {
-            ticker.shared.add(this.update, this);
+            shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
             this._isAutoUpdating = true;
         }
     }
@@ -139,7 +140,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
             this._isAutoUpdating = false;
         }
     }
@@ -187,7 +188,7 @@
     {
         if (this._isAutoUpdating)
         {
-            ticker.shared.remove(this.update, this);
+            shared.remove(this.update, this);
         }
 
         if (this.source && this.source._pixiId)
@@ -281,12 +282,12 @@
 
             if (!this._autoUpdate && this._isAutoUpdating)
             {
-                ticker.shared.remove(this.update, this);
+                shared.remove(this.update, this);
                 this._isAutoUpdating = false;
             }
             else if (this._autoUpdate && !this._isAutoUpdating)
             {
-                ticker.shared.add(this.update, this);
+                shared.add(this.update, this, UPDATE_PRIORITY.HIGH);
                 this._isAutoUpdating = true;
             }
         }
diff --git a/src/core/ticker/Ticker.js b/src/core/ticker/Ticker.js
index 17a1517..40df138 100644
--- a/src/core/ticker/Ticker.js
+++ b/src/core/ticker/Ticker.js
@@ -1,12 +1,10 @@
 import settings from '../settings';
-import EventEmitter from 'eventemitter3';
-
-// Internal event used by composed emitter
-const TICK = 'tick';
+import { UPDATE_PRIORITY } from '../const';
+import TickerListener from './TickerListener';
 
 /**
  * A Ticker class that runs an update loop that other objects listen to.
- * This class is composed around an EventEmitter object to add listeners
+ * This class is composed around listeners
  * meant for execution on the next requested animation frame.
  * Animation frames are requested only when necessary,
  * e.g. When the ticker is started and the emitter has listeners.
@@ -22,10 +20,11 @@
     constructor()
     {
         /**
-         * Internal emitter used to fire 'tick' event
+         * The first listener. All new listeners added are chained on this.
          * @private
+         * @type {TickerListener}
          */
-        this._emitter = new EventEmitter();
+        this._head = new TickerListener(null, null, Infinity);
 
         /**
          * Internal current frame request ID
@@ -131,7 +130,7 @@
                 // Invoke listeners now
                 this.update(time);
                 // Listener side effects may have modified ticker state.
-                if (this.started && this._requestId === null && this._emitter.listeners(TICK, true))
+                if (this.started && this._requestId === null && this._head.next)
                 {
                     this._requestId = requestAnimationFrame(this._tick);
                 }
@@ -148,7 +147,7 @@
      */
     _requestIfNeeded()
     {
-        if (this._requestId === null && this._emitter.listeners(TICK, true))
+        if (this._requestId === null && this._head.next)
         {
             // ensure callbacks get correct delta
             this.lastTime = performance.now();
@@ -193,35 +192,72 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#on} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Register a handler for tick events. Calls continuously unless
+     * it is removed or the ticker is stopped.
      *
      * @param {Function} fn - The listener function to be added for updates
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    add(fn, context)
+    add(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.on(TICK, fn, context);
-
-        this._startIfPossible();
-
-        return this;
+        return this._addListener(new TickerListener(fn, context, priority));
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#once} internally for the
-     * internal 'tick' event. It checks if the emitter has listeners,
-     * and if so it requests a new animation frame at this point.
+     * Add a handler for the tick event which is only execute once.
      *
      * @param {Function} fn - The listener function to be added for one update
      * @param {Function} [context] - The listener context
+     * @param {number} [priority=PIXI.UPDATE_PRIORITY.NORMAL] - The priority for emitting
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
-    addOnce(fn, context)
+    addOnce(fn, context, priority = UPDATE_PRIORITY.NORMAL)
     {
-        this._emitter.once(TICK, fn, context);
+        return this._addListener(new TickerListener(fn, context, priority, true));
+    }
+
+    /**
+     * Internally adds the event handler so that it can be sorted by priority.
+     * Priority allows certain handler (user, AnimatedSprite, Interaction) to be run
+     * before the rendering.
+     *
+     * @private
+     * @param {TickerListener} listener - Current listener being added.
+     * @returns {PIXI.ticker.Ticker} This instance of a ticker
+     */
+    _addListener(listener)
+    {
+        // For attaching to head
+        let current = this._head.next;
+        let previous = this._head;
+
+        // Add the first item
+        if (!current)
+        {
+            listener.connect(previous);
+        }
+        else
+        {
+            // Go from highest to lowest priority
+            while (current)
+            {
+                if (listener.priority >= current.priority)
+                {
+                    listener.connect(previous);
+                    break;
+                }
+                previous = current;
+                current = current.next;
+            }
+
+            // Not yet connected
+            if (!listener.previous)
+            {
+                listener.connect(previous);
+            }
+        }
 
         this._startIfPossible();
 
@@ -229,19 +265,33 @@
     }
 
     /**
-     * Calls {@link module:eventemitter3.EventEmitter#off} internally for 'tick' event.
-     * It checks if the emitter has listeners for 'tick' event.
-     * If it does, then it cancels the animation frame.
+     * Removes any handlers matching the function and context parameters.
+     * If no handlers are left after removing, then it cancels the animation frame.
      *
-     * @param {Function} [fn] - The listener function to be removed
+     * @param {Function} fn - The listener function to be removed
      * @param {Function} [context] - The listener context to be removed
      * @returns {PIXI.ticker.Ticker} This instance of a ticker
      */
     remove(fn, context)
     {
-        this._emitter.off(TICK, fn, context);
+        let listener = this._head.next;
 
-        if (!this._emitter.listeners(TICK, true))
+        while (listener)
+        {
+            // We found a match, lets remove it
+            // no break to delete all possible matches
+            // incase a listener was added 2+ times
+            if (listener.match(fn, context))
+            {
+                listener = listener.destroy();
+            }
+            else
+            {
+                listener = listener.next;
+            }
+        }
+
+        if (!this._head.next)
         {
             this._cancelIfNeeded();
         }
@@ -276,6 +326,25 @@
     }
 
     /**
+     * Destroy the ticker and don't use after this. Calling
+     * this method removes all references to internal events.
+     */
+    destroy()
+    {
+        this.stop();
+
+        let listener = this._head.next;
+
+        while (listener)
+        {
+            listener = listener.destroy(true);
+        }
+
+        this._head.destroy();
+        this._head = null;
+    }
+
+    /**
      * Triggers an update. An update entails setting the
      * current {@link PIXI.ticker.Ticker#elapsedMS},
      * the current {@link PIXI.ticker.Ticker#deltaTime},
@@ -320,8 +389,22 @@
 
             this.deltaTime = elapsedMS * settings.TARGET_FPMS * this.speed;
 
+            // Cache a local reference, in-case ticker is destroyed
+            // during the emit, we can still check for head.next
+            const head = this._head;
+
             // Invoke listeners added to internal emitter
-            this._emitter.emit(TICK, this.deltaTime);
+            let listener = head.next;
+
+            while (listener)
+            {
+                listener = listener.emit(this.deltaTime);
+            }
+
+            if (!head.next)
+            {
+                this._cancelIfNeeded();
+            }
         }
         else
         {
diff --git a/src/core/ticker/TickerListener.js b/src/core/ticker/TickerListener.js
new file mode 100644
index 0000000..2bedb34
--- /dev/null
+++ b/src/core/ticker/TickerListener.js
@@ -0,0 +1,158 @@
+/**
+ * Internal class for handling the priority sorting of ticker handlers.
+ *
+ * @private
+ * @class
+ * @memberof PIXI.ticker
+ */
+export default class TickerListener
+{
+    /**
+     * Constructor
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} [context=null] - The listener context
+     * @param {number} [priority=0] - The priority for emitting
+     * @param {boolean} [once=false] - If the handler should fire once
+     */
+    constructor(fn, context = null, priority = 0, once = false)
+    {
+        /**
+         * The handler function to execute.
+         * @member {Function}
+         */
+        this.fn = fn;
+
+        /**
+         * The calling to execute.
+         * @member {Function}
+         */
+        this.context = context;
+
+        /**
+         * The current priority.
+         * @member {number}
+         */
+        this.priority = priority;
+
+        /**
+         * If this should only execute once.
+         * @member {boolean}
+         */
+        this.once = once;
+
+        /**
+         * The next item in chain.
+         * @member {TickerListener}
+         */
+        this.next = null;
+
+        /**
+         * The previous item in chain.
+         * @member {TickerListener}
+         */
+        this.previous = null;
+
+        /**
+         * `true` if this listener has been destroyed already.
+         * @member {boolean}
+         * @private
+         */
+        this._destroyed = false;
+    }
+
+    /**
+     * Simple compare function to figure out if a function and context match.
+     *
+     * @param {Function} fn - The listener function to be added for one update
+     * @param {Function} context - The listener context
+     * @return {boolean} `true` if the listener match the arguments
+     */
+    match(fn, context)
+    {
+        context = context || null;
+
+        return this.fn === fn && this.context === context;
+    }
+
+    /**
+     * Emit by calling the current function.
+     * @param {number} deltaTime - time since the last emit.
+     * @return {TickerListener} Next ticker
+     */
+    emit(deltaTime)
+    {
+        if (this.context)
+        {
+            this.fn.call(this.context, deltaTime);
+        }
+        else
+        {
+            this.fn(deltaTime);
+        }
+
+        if (this.once)
+        {
+            this.destroy();
+        }
+
+        const redirect = this.next;
+
+        // Soft-destroying should remove
+        // the next reference
+        if (this._destroyed)
+        {
+            this.next = null;
+        }
+
+        return redirect;
+    }
+
+    /**
+     * Connect to the list.
+     * @param {TickerListener} previous - Input node, previous listener
+     */
+    connect(previous)
+    {
+        this.previous = previous;
+        if (previous.next)
+        {
+            previous.next.previous = this;
+        }
+        this.next = previous.next;
+        previous.next = this;
+    }
+
+    /**
+     * Destroy and don't use after this.
+     * @param {boolean} [hard = false] `true` to remove the `next` reference, this
+     *        is considered a hard destroy. Soft destroy maintains the next reference.
+     * @return {TickerListener} The listener to redirect while emitting or removing.
+     */
+    destroy(hard = false)
+    {
+        this._destroyed = true;
+        this.fn = null;
+        this.context = null;
+
+        // Disconnect, hook up next and previous
+        if (this.previous)
+        {
+            this.previous.next = this.next;
+        }
+
+        if (this.next)
+        {
+            this.next.previous = this.previous;
+        }
+
+        // Redirect to the next item
+        const redirect = this.previous;
+
+        // Remove references
+        this.next = hard ? null : redirect;
+        this.previous = null;
+
+        return redirect;
+    }
+}
diff --git a/src/core/ticker/index.js b/src/core/ticker/index.js
index 4b3017c..c3020d4 100644
--- a/src/core/ticker/index.js
+++ b/src/core/ticker/index.js
@@ -45,8 +45,25 @@
 const shared = new Ticker();
 
 shared.autoStart = true;
+shared.destroy = () =>
+{
+	// protect destroying shared ticker
+	// this is used by other internal systems
+	// like AnimatedSprite and InteractionManager
+};
 
 /**
+ * This namespace contains an API for interacting with PIXI's internal global update loop.
+ *
+ * This ticker is used for rendering, {@link PIXI.extras.AnimatedSprite AnimatedSprite},
+ * {@link PIXI.interaction.InteractionManager InteractionManager} and many other time-based PIXI systems.
+ * @example
+ * const ticker = new PIXI.ticker.Ticker();
+ * ticker.stop();
+ * ticker.add((deltaTime) => {
+ *   // do something every frame
+ * });
+ * ticker.start();
  * @namespace PIXI.ticker
  */
 export { shared, Ticker };
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index be44750..7441f7b 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -9,6 +9,21 @@
 let saidHello = false;
 
 /**
+ * Generalized convenience utilities for PIXI.
+ * @example
+ * // Extend PIXI's internal Event Emitter.
+ * class MyEmitter extends PIXI.utils.EventEmitter {
+ *   constructor() {
+ *      super();
+ *      console.log("Emitter created!");
+ *   }
+ * }
+ *
+ * // Get info on current device
+ * console.log(PIXI.utils.isMobile);
+ *
+ * // Convert hex color to string
+ * console.log(PIXI.utils.hex2string(0xff00ff)); // returns: "#ff00ff"
  * @namespace PIXI.utils
  */
 export {
diff --git a/src/deprecation.js b/src/deprecation.js
index b9c73b3..33daeec 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -918,6 +918,35 @@
 });
 
 /**
+ * @method
+ * @name PIXI.prepare.BasePrepare#register
+ * @see PIXI.prepare.BasePrepare#registerFindHook
+ * @deprecated since version 4.4.2
+ * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
+ *        function must return `true` if it was able to add item to the queue.
+ * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+ *        function must return `true` if it was able to handle upload of item.
+ * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+ */
+prepare.BasePrepare.prototype.register = function register(addHook, uploadHook)
+{
+    warn('renderer.plugins.prepare.register is now deprecated, '
+        + 'please use renderer.plugins.prepare.registerFindHook & renderer.plugins.prepare.registerUploadHook');
+
+    if (addHook)
+    {
+        this.registerFindHook(addHook);
+    }
+
+    if (uploadHook)
+    {
+        this.registerUploadHook(uploadHook);
+    }
+
+    return this;
+};
+
+/**
  * The number of graphics or textures to upload to the GPU.
  *
  * @name PIXI.prepare.canvas.UPLOADS_PER_FRAME
@@ -969,67 +998,73 @@
     },
 });
 
-Object.defineProperties(loaders.Resource.prototype, {
-    isJson: {
-        get()
-        {
-            warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+if (loaders.Loader)
+{
+    const Resource = loaders.Resource;
+    const Loader = loaders.Loader;
 
-            return this.type === loaders.Loader.Resource.TYPE.JSON;
+    Object.defineProperties(Resource.prototype, {
+        isJson: {
+            get()
+            {
+                warn('The isJson property is deprecated, please use `resource.type === Resource.TYPE.JSON`.');
+
+                return this.type === Resource.TYPE.JSON;
+            },
         },
-    },
-    isXml: {
-        get()
-        {
-            warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
+        isXml: {
+            get()
+            {
+                warn('The isXml property is deprecated, please use `resource.type === Resource.TYPE.XML`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.XML;
+                return this.type === Resource.TYPE.XML;
+            },
         },
-    },
-    isImage: {
-        get()
-        {
-            warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
+        isImage: {
+            get()
+            {
+                warn('The isImage property is deprecated, please use `resource.type === Resource.TYPE.IMAGE`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.IMAGE;
+                return this.type === Resource.TYPE.IMAGE;
+            },
         },
-    },
-    isAudio: {
-        get()
-        {
-            warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
+        isAudio: {
+            get()
+            {
+                warn('The isAudio property is deprecated, please use `resource.type === Resource.TYPE.AUDIO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.AUDIO;
+                return this.type === Resource.TYPE.AUDIO;
+            },
         },
-    },
-    isVideo: {
-        get()
-        {
-            warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
+        isVideo: {
+            get()
+            {
+                warn('The isVideo property is deprecated, please use `resource.type === Resource.TYPE.VIDEO`.');
 
-            return this.type === loaders.Loader.Resource.TYPE.VIDEO;
+                return this.type === Resource.TYPE.VIDEO;
+            },
         },
-    },
-});
+    });
 
-Object.defineProperties(loaders.Loader.prototype, {
-    before: {
-        get()
-        {
-            warn('The before() method is deprecated, please use pre().');
+    Object.defineProperties(Loader.prototype, {
+        before: {
+            get()
+            {
+                warn('The before() method is deprecated, please use pre().');
 
-            return this.pre;
+                return this.pre;
+            },
         },
-    },
-    after: {
-        get()
-        {
-            warn('The after() method is deprecated, please use use().');
+        after: {
+            get()
+            {
+                warn('The after() method is deprecated, please use use().');
 
-            return this.use;
+                return this.use;
+            },
         },
-    },
-});
+    });
+}
 
 /**
  * @name PIXI.interaction.interactiveTarget#defaultCursor
diff --git a/src/extract/canvas/CanvasExtract.js b/src/extract/canvas/CanvasExtract.js
index 941ca05..3ac5aee 100644
--- a/src/extract/canvas/CanvasExtract.js
+++ b/src/extract/canvas/CanvasExtract.js
@@ -8,7 +8,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class CanvasExtract
 {
@@ -21,9 +21,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.CanvasExtract} extract
+         * @member {PIXI.extract.CanvasExtract} extract
          * @memberof PIXI.CanvasRenderer#
-         * @see PIXI.CanvasExtract
+         * @see PIXI.extract.CanvasExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extract/index.js b/src/extract/index.js
index 0f2170d..e9478c1 100644
--- a/src/extract/index.js
+++ b/src/extract/index.js
@@ -1,2 +1,22 @@
+/**
+ * This namespace provides renderer-specific plugins for exporting content from a renderer.
+ * For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new app (will auto-add extract plugin to renderer)
+ * const app = new PIXI.Application();
+ *
+ * // Draw a red circle
+ * const graphics = new PIXI.Graphics()
+ *     .beginFill(0xFF0000)
+ *     .drawCircle(0, 0, 50);
+ *
+ * // Render the graphics as an HTMLImageElement
+ * const image = app.renderer.plugins.extract.image(graphics);
+ * document.body.appendChild(image);
+ * @namespace PIXI.extract
+ */
 export { default as webgl } from './webgl/WebGLExtract';
 export { default as canvas } from './canvas/CanvasExtract';
diff --git a/src/extract/webgl/WebGLExtract.js b/src/extract/webgl/WebGLExtract.js
index 60228bb..1c3dd30 100644
--- a/src/extract/webgl/WebGLExtract.js
+++ b/src/extract/webgl/WebGLExtract.js
@@ -9,7 +9,7 @@
  * An instance of this class is automatically created by default, and can be found at renderer.plugins.extract
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extract
  */
 export default class WebGLExtract
 {
@@ -22,9 +22,9 @@
         /**
          * Collection of methods for extracting data (image, pixels, etc.) from a display object or render texture
          *
-         * @member {PIXI.WebGLExtract} extract
+         * @member {PIXI.extract.WebGLExtract} extract
          * @memberof PIXI.WebGLRenderer#
-         * @see PIXI.WebGLExtract
+         * @see PIXI.extract.WebGLExtract
          */
         renderer.extract = this;
     }
diff --git a/src/extras/AnimatedSprite.js b/src/extras/AnimatedSprite.js
index 13b804f..5297778 100644
--- a/src/extras/AnimatedSprite.js
+++ b/src/extras/AnimatedSprite.js
@@ -137,7 +137,7 @@
         this.playing = true;
         if (this._autoUpdate)
         {
-            core.ticker.shared.add(this.update, this);
+            core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.HIGH);
         }
     }
 
diff --git a/src/extras/TextureTransform.js b/src/extras/TextureTransform.js
index 78e6e40..16536d2 100644
--- a/src/extras/TextureTransform.js
+++ b/src/extras/TextureTransform.js
@@ -65,8 +65,36 @@
     }
 
     /**
+     * Multiplies uvs array to transform
+     * @param {Float32Array} uvs mesh uvs
+     * @param {Float32Array} [out=uvs] output
+     * @returns {Float32Array} output
+     */
+    multiplyUvs(uvs, out)
+    {
+        if (out === undefined)
+        {
+            out = uvs;
+        }
+
+        const mat = this.mapCoord;
+
+        for (let i = 0; i < uvs.length; i += 2)
+        {
+            const x = uvs[i];
+            const y = uvs[i + 1];
+
+            out[i] = (x * mat.a) + (y * mat.c) + mat.tx;
+            out[i + 1] = (x * mat.b) + (y * mat.d) + mat.ty;
+        }
+
+        return out;
+    }
+
+    /**
      * updates matrices if texture was changed
      * @param {boolean} forceUpdate if true, matrices will be updated any case
+     * @returns {boolean} whether or not it was updated
      */
     update(forceUpdate)
     {
@@ -74,13 +102,13 @@
 
         if (!tex || !tex.valid)
         {
-            return;
+            return false;
         }
 
         if (!forceUpdate
             && this._lastTextureID === tex._updateID)
         {
-            return;
+            return false;
         }
 
         this._lastTextureID = tex._updateID;
@@ -110,5 +138,7 @@
         frame[3] = (tex._frame.y + tex._frame.height - margin + offset) / texBase.height;
         this.uClampOffset[0] = offset / texBase.realWidth;
         this.uClampOffset[1] = offset / texBase.realHeight;
+
+        return true;
     }
 }
diff --git a/src/extras/TilingSprite.js b/src/extras/TilingSprite.js
index 1f6014f..a3f027f 100644
--- a/src/extras/TilingSprite.js
+++ b/src/extras/TilingSprite.js
@@ -180,9 +180,9 @@
         const transform = this.worldTransform;
         const resolution = renderer.resolution;
         const baseTexture = texture.baseTexture;
-        const baseTextureResolution = texture.baseTexture.resolution;
-        const modX = (this.tilePosition.x / this.tileScale.x) % texture._frame.width;
-        const modY = (this.tilePosition.y / this.tileScale.y) % texture._frame.height;
+        const baseTextureResolution = baseTexture.resolution;
+        const modX = ((this.tilePosition.x / this.tileScale.x) % texture._frame.width) * baseTextureResolution;
+        const modY = ((this.tilePosition.y / this.tileScale.y) % texture._frame.height) * baseTextureResolution;
 
         // create a nice shiny pattern!
         // TODO this needs to be refreshed if texture changes..
diff --git a/src/extras/cacheAsBitmap.js b/src/extras/cacheAsBitmap.js
index 5dd5640..aea06a8 100644
--- a/src/extras/cacheAsBitmap.js
+++ b/src/extras/cacheAsBitmap.js
@@ -227,7 +227,16 @@
 
     this.transform._parentID = -1;
     // restore the transform of the cached sprite to avoid the nasty flicker..
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
 
     // map the hit test..
     this.containsPoint = cachedSprite.containsPoint.bind(cachedSprite);
@@ -314,7 +323,17 @@
     cachedSprite._bounds = this._bounds;
     cachedSprite.alpha = cacheAlpha;
 
-    this.updateTransform();
+    if (!this.parent)
+    {
+        this.parent = renderer._tempDisplayObjectParent;
+        this.updateTransform();
+        this.parent = null;
+    }
+    else
+    {
+        this.updateTransform();
+    }
+
     this.updateTransform = this.displayObjectUpdateTransform;
 
     this._cacheData.sprite = cachedSprite;
@@ -358,9 +377,12 @@
  * Destroys the cached object.
  *
  * @private
+ * @param {object|boolean} [options] - Options parameter. A boolean will act as if all options
+ *  have been set to that value.
+ *  Used when destroying containers, see the Container.destroy method.
  */
-DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy()
+DisplayObject.prototype._cacheAsBitmapDestroy = function _cacheAsBitmapDestroy(options)
 {
     this.cacheAsBitmap = false;
-    this.destroy();
+    this.destroy(options);
 };
diff --git a/src/extras/index.js b/src/extras/index.js
index bbd8bbf..a34d7ec 100644
--- a/src/extras/index.js
+++ b/src/extras/index.js
@@ -1,7 +1,7 @@
 /**
+ * Additional PIXI DisplayObjects for animation, tiling and bitmap text.
  * @namespace PIXI.extras
  */
-export { default as TextureTransform } from './TextureTransform';
 export { default as AnimatedSprite } from './AnimatedSprite';
 export { default as TilingSprite } from './TilingSprite';
 export { default as TilingSpriteRenderer } from './webgl/TilingSpriteRenderer';
diff --git a/src/extras/webgl/TilingSpriteRenderer.js b/src/extras/webgl/TilingSpriteRenderer.js
index aeec172..eee3b5c 100644
--- a/src/extras/webgl/TilingSpriteRenderer.js
+++ b/src/extras/webgl/TilingSpriteRenderer.js
@@ -11,7 +11,7 @@
  * WebGL renderer plugin for tiling sprites
  *
  * @class
- * @memberof PIXI
+ * @memberof PIXI.extras
  * @extends PIXI.ObjectRenderer
  */
 export default class TilingSpriteRenderer extends core.ObjectRenderer
@@ -118,7 +118,7 @@
         tempMat.invert();
         if (isSimple)
         {
-            tempMat.append(uv.mapCoord);
+            tempMat.prepend(uv.mapCoord);
         }
         else
         {
diff --git a/src/filters/displacement/DisplacementFilter.js b/src/filters/displacement/DisplacementFilter.js
index d5355c3..b5d030c 100644
--- a/src/filters/displacement/DisplacementFilter.js
+++ b/src/filters/displacement/DisplacementFilter.js
@@ -35,7 +35,7 @@
         this.maskSprite = sprite;
         this.maskMatrix = maskMatrix;
 
-        this.uniforms.mapSampler = sprite.texture;
+        this.uniforms.mapSampler = sprite._texture;
         this.uniforms.filterMatrix = maskMatrix;
         this.uniforms.scale = { x: 1, y: 1 };
 
diff --git a/src/filters/index.js b/src/filters/index.js
index f3e8862..7ceb50a 100644
--- a/src/filters/index.js
+++ b/src/filters/index.js
@@ -1,4 +1,21 @@
 /**
+ * This namespace contains WebGL-only display filters that can be applied
+ * to DisplayObjects using the {@link PIXI.DisplayObject#filters filters} property.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ *
+ * // Draw a green rectangle
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add a blur filter
+ * rect.filters = [new PIXI.filters.BlurFilter()];
+ *
+ * // Display rectangle
+ * app.stage.addChild(rect);
+ * document.body.appendChild(app.view);
  * @namespace PIXI.filters
  */
 export { default as FXAAFilter } from './fxaa/FXAAFilter';
diff --git a/src/index.js b/src/index.js
index c553427..77da490 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,14 @@
 import { utils } from './core';
 utils.mixins.performMixins();
 
+/**
+ * Alias for {@link PIXI.loaders.shared}.
+ * @name loader
+ * @memberof PIXI
+ * @type {PIXI.loader.Loader}
+ */
+const loader = loaders.shared || null;
+
 export {
     accessibility,
     extract,
@@ -30,18 +38,8 @@
     mesh,
     particles,
     prepare,
+    loader,
 };
 
-/**
- * A premade instance of the loader that can be used to load resources.
- *
- * @name loader
- * @memberof PIXI
- * @property {PIXI.loaders.Loader}
- */
-const loader = loaders && loaders.Loader ? new loaders.Loader() : null; // check is there in case user excludes loader lib
-
-export { loader };
-
 // Always export pixi globally.
 global.PIXI = exports; // eslint-disable-line
diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 02d53a3..449f8cc 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -30,7 +30,10 @@
         /**
          * When passed to an event handler, this will be the original DOM Event that was captured
          *
-         * @member {Event}
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent
+         * @see https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+         * @member {MouseEvent|TouchEvent|PointerEvent}
          */
         this.originalEvent = null;
     }
diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 8baf13a..2d75c7c 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -13,6 +13,14 @@
 
 const MOUSE_POINTER_ID = 'MOUSE';
 
+// helpers for hitTest() - only used inside hitTest()
+const hitTestEvent = {
+    target: null,
+    data: {
+        global: null,
+    },
+};
+
 /**
  * The interaction manager deals with mouse, touch and pointer events. Any DisplayObject can be interactive
  * if its interactive parameter is set to true
@@ -245,67 +253,60 @@
         this.setTargetElement(this.renderer.view, this.renderer.resolution);
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed on the display
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display
          * object.
          *
-         * @event mousedown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * on the display object.
          *
-         * @event rightdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released over the display
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
          * object.
          *
-         * @event mouseup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is released
          * over the display object.
          *
-         * @event rightup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is pressed and released on
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
          * the display object.
          *
-         * @event click
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
          * and released on the display object.
          *
-         * @event rightclick
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
-         * Fired when a pointer device button (usually a mouse button) is released outside the
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
          * display object that initially registered a
          * [mousedown]{@link PIXI.interaction.InteractionManager#event:mousedown}.
          *
-         * @event mouseupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
@@ -313,146 +314,362 @@
          * outside the display object that initially registered a
          * [rightdown]{@link PIXI.interaction.InteractionManager#event:rightdown}.
          *
-         * @event rightupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved while over the display object
          *
-         * @event mousemove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved onto the display object
          *
-         * @event mouseover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device (usually a mouse) is moved off the display object
          *
-         * @event mouseout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed on the display object.
          *
-         * @event pointerdown
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released over the display object.
          *
-         * @event pointerup
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a pointer event
          *
-         * @event pointercancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is pressed and released on the display object.
          *
-         * @event pointertap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device button is released outside the display object that initially
          * registered a [pointerdown]{@link PIXI.interaction.InteractionManager#event:pointerdown}.
          *
-         * @event pointerupoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved while over the display object
          *
-         * @event pointermove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved onto the display object
          *
-         * @event pointerover
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a pointer device is moved off the display object
          *
-         * @event pointerout
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed on the display object.
          *
-         * @event touchstart
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed from the display object.
          *
-         * @event touchend
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when the operating system cancels a touch
          *
-         * @event touchcancel
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is placed and removed from the display object.
          *
-         * @event tap
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is removed outside of the display object that initially
          * registered a [touchstart]{@link PIXI.interaction.InteractionManager#event:touchstart}.
          *
-         * @event touchendoutside
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
 
         /**
          * Fired when a touch point is moved along the display object.
          *
-         * @event touchmove
-         * @type {PIXI.interaction.InteractionData}
-         * @memberof PIXI.interaction.InteractionManager#
+         * @event PIXI.interaction.InteractionManager#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
          */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed on the display.
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousedown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released over the display
+         * object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * over the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is pressed and released on
+         * the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#click
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is pressed
+         * and released on the display object. DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightclick
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button (usually a mouse left-button) is released outside the
+         * display object that initially registered a
+         * [mousedown]{@link PIXI.DisplayObject#event:mousedown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device secondary button (usually a mouse right-button) is released
+         * outside the display object that initially registered a
+         * [rightdown]{@link PIXI.DisplayObject#event:rightdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#rightupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mousemove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device (usually a mouse) is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#mouseout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerdown
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerup
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a pointer event.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointercancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is pressed and released on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointertap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device button is released outside the display object that initially
+         * registered a [pointerdown]{@link PIXI.DisplayObject#event:pointerdown}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerupoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved while over the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointermove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved onto the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerover
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a pointer device is moved off the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#pointerout
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed on the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchstart
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchend
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when the operating system cancels a touch.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchcancel
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is placed and removed from the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#tap
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is removed outside of the display object that initially
+         * registered a [touchstart]{@link PIXI.DisplayObject#event:touchstart}.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchendoutside
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+
+        /**
+         * Fired when a touch point is moved along the display object.
+         * DisplayObject's `interactive` property must be set to `true` to fire event.
+         *
+         * @event PIXI.DisplayObject#touchmove
+         * @param {PIXI.interaction.InteractionData} event - Interaction data
+         */
+    }
+
+    /**
+     * Hit tests a point against the display tree, returning the first interactive object that is hit.
+     *
+     * @param {PIXI.Point} globalPoint - A point to hit test with, in global space.
+     * @param {PIXI.Container} [root] - The root display object to start from. If omitted, defaults
+     * to the last rendered root of the associated renderer.
+     * @return {PIXI.DisplayObject} The hit display object, if any.
+     */
+    hitTest(globalPoint, root)
+    {
+        // clear the target for our hit test
+        hitTestEvent.target = null;
+        // assign the global point
+        hitTestEvent.data.global = globalPoint;
+        // ensure safety of the root
+        if (!root)
+        {
+            root = this.renderer._lastObjectRendered;
+        }
+        // run the hit test
+        this.processInteractive(hitTestEvent, root, null, true);
+        // return our found object - it'll be null if we didn't hit anything
+
+        return hitTestEvent.target;
     }
 
     /**
@@ -487,7 +704,7 @@
             return;
         }
 
-        core.ticker.shared.add(this.update, this);
+        core.ticker.shared.add(this.update, this, core.UPDATE_PRIORITY.INTERACTION);
 
         if (window.navigator.msPointerEnabled)
         {
@@ -804,8 +1021,6 @@
             }
         }
 
-        let keepHitTestingAfterChildren = hitTest;
-
         // ** FREE TIP **! If an object is not interactive or has no buttons in it
         // (such as a game scene!) set interactiveChildren to false for that displayObject.
         // This will allow pixi to completely ignore and bypass checking the displayObjects children.
@@ -818,7 +1033,9 @@
                 const child = children[i];
 
                 // time to get recursive.. if this function will return if something is hit..
-                if (this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent))
+                const childHit = this.processInteractive(interactionEvent, child, func, hitTest, interactiveParent);
+
+                if (childHit)
                 {
                     // its a good idea to check if a child has lost its parent.
                     // this means it has been removed whilst looping so its best
@@ -827,8 +1044,6 @@
                         continue;
                     }
 
-                    hit = true;
-
                     // we no longer need to hit test any more objects in this container as we we
                     // now know the parent has been hit
                     interactiveParent = false;
@@ -838,36 +1053,41 @@
                     // This means we no longer need to hit test anything else. We still need to run
                     // through all objects, but we don't need to perform any hit tests.
 
-                    keepHitTestingAfterChildren = false;
-
-                    if (child.interactive)
+                    if (childHit)
                     {
-                        hitTest = false;
+                        if (interactionEvent.target)
+                        {
+                            hitTest = false;
+                        }
+                        hit = true;
                     }
-
-                    // we can break now as we have hit an object.
                 }
             }
         }
 
-        hitTest = keepHitTestingAfterChildren;
-
         // no point running this if the item is not interactive or does not have an interactive parent.
         if (interactive)
         {
             // if we are hit testing (as in we have no hit any objects yet)
             // We also don't need to worry about hit testing if once of the displayObjects children
-            // has already been hit!
-            if (hitTest && !hit)
+            // has already been hit - but only if it was interactive, otherwise we need to keep
+            // looking for an interactive child, just in case we hit one
+            if (hitTest && !interactionEvent.target)
             {
                 if (displayObject.hitArea)
                 {
                     displayObject.worldTransform.applyInverse(point, this._tempPoint);
-                    hit = displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y);
+                    if (displayObject.hitArea.contains(this._tempPoint.x, this._tempPoint.y))
+                    {
+                        hit = true;
+                    }
                 }
                 else if (displayObject.containsPoint)
                 {
-                    hit = displayObject.containsPoint(point);
+                    if (displayObject.containsPoint(point))
+                    {
+                        hit = true;
+                    }
                 }
             }
 
@@ -878,7 +1098,10 @@
                     interactionEvent.target = displayObject;
                 }
 
-                func(interactionEvent, displayObject, hit);
+                if (func)
+                {
+                    func(interactionEvent, displayObject, !!hit);
+                }
             }
         }
 
@@ -914,7 +1137,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -998,7 +1221,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1098,7 +1321,7 @@
 
             const test = isRightButton ? flags.RIGHT_DOWN : flags.LEFT_DOWN;
 
-            const isDown = trackingData !== undefined && (trackingData.flags | test);
+            const isDown = trackingData !== undefined && (trackingData.flags & test);
 
             if (hit)
             {
@@ -1118,11 +1341,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }
@@ -1180,7 +1403,7 @@
         {
             const event = events[i];
 
-            const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+            const interactionData = this.getInteractionDataForPointerId(event);
 
             const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1255,7 +1478,7 @@
             this.setCursorMode(null);
         }
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1268,6 +1491,12 @@
         {
             this.emit('mouseout', interactionEvent);
         }
+        else
+        {
+            // we can get touchleave events after touchend, so we want to make sure we don't
+            // introduce memory leaks
+            this.releaseInteractionDataForPointerId(interactionData.identifier);
+        }
     }
 
     /**
@@ -1344,7 +1573,7 @@
         // Only mouse and pointer can call onPointerOver, so events will always be length 1
         const event = events[0];
 
-        const interactionData = this.getInteractionDataForPointerId(event.pointerId);
+        const interactionData = this.getInteractionDataForPointerId(event);
 
         const interactionEvent = this.configureInteractionEventForDOMEvent(this.eventData, event, interactionData);
 
@@ -1366,12 +1595,14 @@
      * Get InteractionData for a given pointerId. Store that data as well
      *
      * @private
-     * @param {number} pointerId - Identifier from a pointer event
+     * @param {PointerEvent} event - Normalized pointer event, output from normalizeToPointerData
      * @return {InteractionData} - Interaction data for the given pointer identifier
      */
-    getInteractionDataForPointerId(pointerId)
+    getInteractionDataForPointerId(event)
     {
-        if (pointerId === MOUSE_POINTER_ID)
+        const pointerId = event.pointerId;
+
+        if (pointerId === MOUSE_POINTER_ID || event.pointerType === 'mouse')
         {
             return this.mouse;
         }
diff --git a/src/interaction/InteractionTrackingData.js b/src/interaction/InteractionTrackingData.js
index 6a1f69e..8493b63 100644
--- a/src/interaction/InteractionTrackingData.js
+++ b/src/interaction/InteractionTrackingData.js
@@ -35,8 +35,10 @@
     }
 
     /**
+     * Unique pointer id of the event
+     *
      * @readonly
-     * @type {number} Unique pointer id of the event
+     * @member {number}
      */
     get pointerId()
     {
diff --git a/src/interaction/index.js b/src/interaction/index.js
index 56c5b09..72f7d71 100644
--- a/src/interaction/index.js
+++ b/src/interaction/index.js
@@ -1,4 +1,8 @@
 /**
+ * This namespace contains a renderer plugin for handling mouse, pointer, and touch events.
+ *
+ * Do not instantiate this plugin directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
  * @namespace PIXI.interaction
  */
 export { default as InteractionData } from './InteractionData';
diff --git a/src/interaction/interactiveTarget.js b/src/interaction/interactiveTarget.js
index d252fba..cebac40 100644
--- a/src/interaction/interactiveTarget.js
+++ b/src/interaction/interactiveTarget.js
@@ -2,7 +2,7 @@
  * Default property values of interactive objects
  * Used by {@link PIXI.interaction.InteractionManager} to automatically give all DisplayObjects these properties
  *
- * @mixin
+ * @private
  * @name interactiveTarget
  * @memberof PIXI.interaction
  * @example
@@ -14,18 +14,28 @@
  *      );
  */
 export default {
+
     /**
-     * Determines if the displayObject be clicked/touched
+     * Enable interaction events for the DisplayObject. Touch, pointer and mouse
+     * events will not be emitted unless `interactive` is set to `true`.
      *
-     * @inner {boolean}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.on('tap', (event) => {
+     *    //handle event
+     * });
+     * @member {boolean}
+     * @memberof PIXI.DisplayObject#
      */
     interactive: false,
 
     /**
      * Determines if the children to the displayObject can be clicked/touched
-     * Setting this to false allows pixi to bypass a recursive hitTest function
+     * Setting this to false allows pixi to bypass a recursive `hitTest` function
      *
-     * @inner {boolean}
+     * @member {boolean}
+     * @memberof PIXI.Container#
      */
     interactiveChildren: true,
 
@@ -33,7 +43,12 @@
      * Interaction shape. Children will be hit first, then this shape will be checked.
      * Setting this will cause this shape to be checked in hit tests rather than the displayObject's bounds.
      *
-     * @inner {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.hitArea = new PIXI.Rectangle(0, 0, 100, 100);
+     * @member {PIXI.Rectangle|PIXI.Circle|PIXI.Ellipse|PIXI.Polygon|PIXI.RoundedRectangle}
+     * @memberof PIXI.DisplayObject#
      */
     hitArea: null,
 
@@ -41,8 +56,12 @@
      * If enabled, the mouse cursor use the pointer behavior when hovered over the displayObject if it is interactive
      * Setting this changes the 'cursor' property to `'pointer'`.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.buttonMode = true;
      * @member {boolean}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      */
     get buttonMode()
     {
@@ -64,9 +83,14 @@
      * This defines what cursor mode is used when the mouse cursor
      * is hovered over the displayObject.
      *
+     * @example
+     * const sprite = new PIXI.Sprite(texture);
+     * sprite.interactive = true;
+     * sprite.cursor = 'wait';
      * @see https://developer.mozilla.org/en/docs/Web/CSS/cursor
      *
-     * @inner {string}
+     * @member {string}
+     * @memberof PIXI.DisplayObject#
      */
     cursor: null,
 
@@ -74,7 +98,7 @@
      * Internal set of all active pointers, by identifier
      *
      * @member {Map<number, InteractionTrackingData>}
-     * @memberof PIXI.interaction.interactiveTarget#
+     * @memberof PIXI.DisplayObject#
      * @private
      */
     get trackedPointers()
@@ -87,7 +111,8 @@
     /**
      * Map of all tracked pointers, by identifier. Use trackedPointers to access.
      *
-     * @private {Map<number, InteractionTrackingData>}
+     * @private
+     * @type {Map<number, InteractionTrackingData>}
      */
     _trackedPointers: undefined,
 };
diff --git a/src/loaders/index.js b/src/loaders/index.js
index 5189793..daa1fc4 100644
--- a/src/loaders/index.js
+++ b/src/loaders/index.js
@@ -1,9 +1,22 @@
+import Application from '../core/Application';
+import Loader from './loader';
+
 /**
+ * This namespace contains APIs which extends the {@link https://github.com/englercj/resource-loader resource-loader} module
+ * for loading assets, data, and other resources dynamically.
+ * @example
+ * const loader = new PIXI.loaders.Loader();
+ * loader.add('bunny', 'data/bunny.png')
+ *       .add('spaceship', 'assets/spritesheet.json');
+ * loader.load((loader, resources) => {
+ *    // resources.bunny
+ *    // resources.spaceship
+ * });
  * @namespace PIXI.loaders
  */
-export { default as Loader } from './loader';
+export { Loader };
 export { default as bitmapFontParser, parse as parseBitmapFontData } from './bitmapFontParser';
-export { default as spritesheetParser } from './spritesheetParser';
+export { default as spritesheetParser, getResourcePath } from './spritesheetParser';
 export { default as textureParser } from './textureParser';
 
 /**
@@ -13,3 +26,55 @@
  * @memberof PIXI.loaders
  */
 export { Resource } from 'resource-loader';
+
+/**
+ * A premade instance of the loader that can be used to load resources.
+ * @name shared
+ * @memberof PIXI.loaders
+ * @type {PIXI.loaders.Loader}
+ */
+const shared = new Loader();
+
+shared.destroy = () =>
+{
+    // protect destroying shared loader
+};
+
+export { shared };
+
+// Mixin the loader construction
+const AppPrototype = Application.prototype;
+
+AppPrototype._loader = null;
+
+/**
+ * Loader instance to help with asset loading.
+ * @name PIXI.Application#loader
+ * @type {PIXI.loaders.Loader}
+ */
+Object.defineProperty(AppPrototype, 'loader', {
+    get()
+    {
+        if (!this._loader)
+        {
+            const sharedLoader = this._options.sharedLoader;
+
+            this._loader = sharedLoader ? shared : new Loader();
+        }
+
+        return this._loader;
+    },
+});
+
+// Override the destroy function
+// making sure to destroy the current Loader
+AppPrototype._parentDestroy = AppPrototype.destroy;
+AppPrototype.destroy = function destroy()
+{
+    if (this._loader)
+    {
+        this._loader.destroy();
+        this._loader = null;
+    }
+    this._parentDestroy();
+};
diff --git a/src/loaders/loader.js b/src/loaders/loader.js
index 767a411..59b8000 100644
--- a/src/loaders/loader.js
+++ b/src/loaders/loader.js
@@ -90,6 +90,15 @@
     {
         Loader._pixiMiddleware.push(fn);
     }
+
+    /**
+     * Destroy the loader, removes references.
+     */
+    destroy()
+    {
+        this.removeAllListeners();
+        this.reset();
+    }
 }
 
 // Copy EE3 prototype (mixin)
diff --git a/src/loaders/spritesheetParser.js b/src/loaders/spritesheetParser.js
index e57dfb2..eda9584 100644
--- a/src/loaders/spritesheetParser.js
+++ b/src/loaders/spritesheetParser.js
@@ -1,12 +1,11 @@
 import { Resource } from 'resource-loader';
-import path from 'path';
+import url from 'url';
 import { Spritesheet } from '../core';
 
 export default function ()
 {
     return function spritesheetParser(resource, next)
     {
-        let resourcePath;
         const imageResourceName = `${resource.name}_image`;
 
         // skip if no data, its not json, it isn't spritesheet data, or the image resource already exists
@@ -28,15 +27,7 @@
             parentResource: resource,
         };
 
-        // Prepend url path unless the resource image is a data url
-        if (resource.isDataUrl)
-        {
-            resourcePath = resource.data.meta.image;
-        }
-        else
-        {
-            resourcePath = `${path.dirname(resource.url.replace(this.baseUrl, ''))}/${resource.data.meta.image}`;
-        }
+        const resourcePath = getResourcePath(resource, this.baseUrl);
 
         // load the image for this sheet
         this.add(imageResourceName, resourcePath, loadOptions, function onImageLoad(res)
@@ -56,3 +47,14 @@
         });
     };
 }
+
+export function getResourcePath(resource, baseUrl)
+{
+    // Prepend url path unless the resource image is a data url
+    if (resource.isDataUrl)
+    {
+        return resource.data.meta.image;
+    }
+
+    return url.resolve(resource.url.replace(baseUrl, ''), resource.data.meta.image);
+}
diff --git a/src/mesh/canvas/CanvasMeshRenderer.js b/src/mesh/canvas/CanvasMeshRenderer.js
index 297205f..f7899e1 100644
--- a/src/mesh/canvas/CanvasMeshRenderer.js
+++ b/src/mesh/canvas/CanvasMeshRenderer.js
@@ -134,12 +134,33 @@
         const textureWidth = base.width;
         const textureHeight = base.height;
 
-        const u0 = uvs[index0] * base.width;
-        const u1 = uvs[index1] * base.width;
-        const u2 = uvs[index2] * base.width;
-        const v0 = uvs[index0 + 1] * base.height;
-        const v1 = uvs[index1 + 1] * base.height;
-        const v2 = uvs[index2 + 1] * base.height;
+        let u0;
+        let u1;
+        let u2;
+        let v0;
+        let v1;
+        let v2;
+
+        if (mesh.uploadUvTransform)
+        {
+            const ut = mesh._uvTransform.mapCoord;
+
+            u0 = ((uvs[index0] * ut.a) + (uvs[index0 + 1] * ut.c) + ut.tx) * base.width;
+            u1 = ((uvs[index1] * ut.a) + (uvs[index1 + 1] * ut.c) + ut.tx) * base.width;
+            u2 = ((uvs[index2] * ut.a) + (uvs[index2 + 1] * ut.c) + ut.tx) * base.width;
+            v0 = ((uvs[index0] * ut.b) + (uvs[index0 + 1] * ut.d) + ut.ty) * base.height;
+            v1 = ((uvs[index1] * ut.b) + (uvs[index1 + 1] * ut.d) + ut.ty) * base.height;
+            v2 = ((uvs[index2] * ut.b) + (uvs[index2 + 1] * ut.d) + ut.ty) * base.height;
+        }
+        else
+        {
+            u0 = uvs[index0] * base.width;
+            u1 = uvs[index1] * base.width;
+            u2 = uvs[index2] * base.width;
+            v0 = uvs[index0 + 1] * base.height;
+            v1 = uvs[index1 + 1] * base.height;
+            v2 = uvs[index2 + 1] * base.height;
+        }
 
         let x0 = vertices[index0];
         let x1 = vertices[index1];
diff --git a/src/mesh/webgl/MeshRenderer.js b/src/mesh/webgl/MeshRenderer.js
index 78d24c3..ab99fcd 100644
--- a/src/mesh/webgl/MeshRenderer.js
+++ b/src/mesh/webgl/MeshRenderer.js
@@ -2,6 +2,8 @@
 
 const byteSizeMap = { 5126: 4, 5123: 2, 5121: 1 };
 
+const matrixIdentity = core.Matrix.IDENTITY;
+
 /**
  * WebGL renderer plugin for tiling sprites
  *
@@ -64,6 +66,7 @@
         mesh.geometry.glVertexArrayObjects[this.CONTEXT_UID].draw(mesh.drawMode, mesh.size, mesh.start, mesh.geometry.instanceCount);
     }
 
+
     /**
      * draws mesh
      * @param {PIXI.mesh.RawMesh} mesh mesh instance
diff --git a/src/mesh/webgl/mesh.vert b/src/mesh/webgl/mesh.vert
index a337aef..acc096c 100644
--- a/src/mesh/webgl/mesh.vert
+++ b/src/mesh/webgl/mesh.vert
@@ -1,8 +1,9 @@
 attribute vec2 aVertexPosition;
 attribute vec2 aTextureCoord;
 
-uniform mat3 translationMatrix;
 uniform mat3 projectionMatrix;
+uniform mat3 translationMatrix;
+uniform mat3 uTransform;
 
 varying vec2 vTextureCoord;
 
@@ -10,5 +11,5 @@
 {
     gl_Position = vec4((projectionMatrix * translationMatrix * vec3(aVertexPosition, 1.0)).xy, 0.0, 1.0);
 
-    vTextureCoord = aTextureCoord;
+    vTextureCoord = (uTransform * vec3(aTextureCoord, 1.0)).xy;
 }
diff --git a/src/particles/ParticleContainer.js b/src/particles/ParticleContainer.js
index 67796cf..63f7791 100644
--- a/src/particles/ParticleContainer.js
+++ b/src/particles/ParticleContainer.js
@@ -313,10 +313,10 @@
                 frame.y * resolution,
                 frame.width * resolution,
                 frame.height * resolution,
-                positionX * resolution,
-                positionY * resolution,
-                finalWidth * resolution,
-                finalHeight * resolution
+                positionX * renderer.resolution,
+                positionY * renderer.resolution,
+                finalWidth * renderer.resolution,
+                finalHeight * renderer.resolution
             );
         }
     }
diff --git a/src/prepare/BasePrepare.js b/src/prepare/BasePrepare.js
index 09eb5e5..e45c4dc 100644
--- a/src/prepare/BasePrepare.js
+++ b/src/prepare/BasePrepare.js
@@ -18,6 +18,18 @@
  * basic queuing functionality and is extended by {@link PIXI.prepare.WebGLPrepare} and {@link PIXI.prepare.CanvasPrepare}
  * to provide preparation capabilities specific to their respective renderers.
  *
+ * @example
+ * // Create a sprite
+ * const sprite = new PIXI.Sprite.fromImage('something.png');
+ *
+ * // Load object into GPU
+ * app.renderer.plugins.prepare.upload(sprite, () => {
+ *
+ *     //Texture(s) has been uploaded to GPU
+ *     app.stage.addChild(sprite);
+ *
+ * })
+ *
  * @abstract
  * @class
  * @memberof PIXI.prepare
@@ -100,8 +112,16 @@
             this.prepareItems();
         };
 
-        this.register(findText, drawText);
-        this.register(findTextStyle, calculateTextStyle);
+        // hooks to find the correct texture
+        this.registerFindHook(findText);
+        this.registerFindHook(findTextStyle);
+        this.registerFindHook(findMultipleBaseTextures);
+        this.registerFindHook(findBaseTexture);
+        this.registerFindHook(findTexture);
+
+        // upload hooks
+        this.registerUploadHook(drawText);
+        this.registerUploadHook(calculateTextStyle);
     }
 
     /**
@@ -138,7 +158,7 @@
             if (!this.ticking)
             {
                 this.ticking = true;
-                SharedTicker.addOnce(this.tick, this);
+                SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
             }
         }
         else if (done)
@@ -172,13 +192,16 @@
             const item = this.queue[0];
             let uploaded = false;
 
-            for (let i = 0, len = this.uploadHooks.length; i < len; i++)
+            if (item && !item._destroyed)
             {
-                if (this.uploadHooks[i](this.uploadHookHelper, item))
+                for (let i = 0, len = this.uploadHooks.length; i < len; i++)
                 {
-                    this.queue.shift();
-                    uploaded = true;
-                    break;
+                    if (this.uploadHooks[i](this.uploadHookHelper, item))
+                    {
+                        this.queue.shift();
+                        uploaded = true;
+                        break;
+                    }
                 }
             }
 
@@ -205,26 +228,36 @@
         else
         {
             // if we are not finished, on the next rAF do this again
-            SharedTicker.addOnce(this.tick, this);
+            SharedTicker.addOnce(this.tick, this, core.UPDATE_PRIORITY.UTILITY);
         }
     }
 
     /**
-     * Adds hooks for finding and uploading items.
+     * Adds hooks for finding items.
      *
-     * @param {Function} [addHook] - Function call that takes two parameters: `item:*, queue:Array`
-              function must return `true` if it was able to add item to the queue.
-     * @param {Function} [uploadHook] - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
-     *        function must return `true` if it was able to handle upload of item.
-     * @return {PIXI.CanvasPrepare} Instance of plugin for chaining.
+     * @param {Function} addHook - Function call that takes two parameters: `item:*, queue:Array`
+     *          function must return `true` if it was able to add item to the queue.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
      */
-    register(addHook, uploadHook)
+    registerFindHook(addHook)
     {
         if (addHook)
         {
             this.addHooks.push(addHook);
         }
 
+        return this;
+    }
+
+    /**
+     * Adds hooks for uploading items.
+     *
+     * @param {Function} uploadHook - Function call that takes two parameters: `prepare:CanvasPrepare, item:*` and
+     *          function must return `true` if it was able to handle upload of item.
+     * @return {PIXI.BasePrepare} Instance of plugin for chaining.
+     */
+    registerUploadHook(uploadHook)
+    {
         if (uploadHook)
         {
             this.uploadHooks.push(uploadHook);
@@ -287,6 +320,88 @@
 }
 
 /**
+ * Built-in hook to find multiple textures from objects like AnimatedSprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findMultipleBaseTextures(item, queue)
+{
+    let result = false;
+
+    // Objects with mutliple textures
+    if (item && item._textures && item._textures.length)
+    {
+        for (let i = 0; i < item._textures.length; i++)
+        {
+            if (item._textures[i] instanceof core.Texture)
+            {
+                const baseTexture = item._textures[i].baseTexture;
+
+                if (queue.indexOf(baseTexture) === -1)
+                {
+                    queue.push(baseTexture);
+                    result = true;
+                }
+            }
+        }
+    }
+
+    return result;
+}
+
+/**
+ * Built-in hook to find BaseTextures from Sprites.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findBaseTexture(item, queue)
+{
+    // Objects with textures, like Sprites/Text
+    if (item instanceof core.BaseTexture)
+    {
+        if (queue.indexOf(item) === -1)
+        {
+            queue.push(item);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
+ * Built-in hook to find textures from objects.
+ *
+ * @private
+ * @param {PIXI.DisplayObject} item - Display object to check
+ * @param {Array<*>} queue - Collection of items to upload
+ * @return {boolean} if a PIXI.Texture object was found.
+ */
+function findTexture(item, queue)
+{
+    if (item._texture && item._texture instanceof core.Texture)
+    {
+        const texture = item._texture.baseTexture;
+
+        if (queue.indexOf(texture) === -1)
+        {
+            queue.push(texture);
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+/**
  * Built-in hook to draw PIXI.Text to its texture.
  *
  * @private
diff --git a/src/prepare/canvas/CanvasPrepare.js b/src/prepare/canvas/CanvasPrepare.js
index 0224bb5..09c207a 100644
--- a/src/prepare/canvas/CanvasPrepare.js
+++ b/src/prepare/canvas/CanvasPrepare.js
@@ -43,7 +43,7 @@
         this.ctx = this.canvas.getContext('2d');
 
         // Add textures to upload
-        this.register(findBaseTextures, uploadBaseTextures);
+        this.registerUploadHook(uploadBaseTextures);
     }
 
     /**
@@ -89,39 +89,4 @@
     return false;
 }
 
-/**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item  -Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
 core.CanvasRenderer.registerPlugin('prepare', CanvasPrepare);
diff --git a/src/prepare/index.js b/src/prepare/index.js
index f559c45..e7491ec 100644
--- a/src/prepare/index.js
+++ b/src/prepare/index.js
@@ -1,4 +1,29 @@
 /**
+ * The prepare namespace provides renderer-specific plugins for pre-rendering DisplayObjects. These plugins are useful for
+ * asynchronously preparing assets, textures, graphics waiting to be displayed.
+ *
+ * Do not instantiate these plugins directly. It is available from the `renderer.plugins` property.
+ * See {@link PIXI.CanvasRenderer#plugins} or {@link PIXI.WebGLRenderer#plugins}.
+ * @example
+ * // Create a new application
+ * const app = new PIXI.Application();
+ * document.body.appendChild(app.view);
+ *
+ * // Don't start rendering right away
+ * app.stop();
+ *
+ * // create a display object
+ * const rect = new PIXI.Graphics()
+ *     .beginFill(0x00ff00)
+ *     .drawRect(40, 40, 200, 200);
+ *
+ * // Add to the stage
+ * app.stage.addChild(rect);
+ *
+ * // Don't start rendering until the graphic is uploaded to the GPU
+ * app.renderer.plugins.prepare.upload(app.stage, () => {
+ *     app.start();
+ * });
  * @namespace PIXI.prepare
  */
 export { default as webgl } from './webgl/WebGLPrepare';
diff --git a/src/prepare/webgl/WebGLPrepare.js b/src/prepare/webgl/WebGLPrepare.js
index eb7023f..9df3c3f 100644
--- a/src/prepare/webgl/WebGLPrepare.js
+++ b/src/prepare/webgl/WebGLPrepare.js
@@ -22,12 +22,11 @@
         this.uploadHookHelper = this.renderer;
 
         // Add textures and graphics to upload
-        this.register(findBaseTextures, uploadBaseTextures)
-            .register(findGraphics, uploadGraphics);
+        this.registerFindHook(findGraphics);
+        this.registerUploadHook(uploadBaseTextures);
+        this.registerUploadHook(uploadGraphics);
     }
-
 }
-
 /**
  * Built-in hook to upload PIXI.Texture objects to the GPU.
  *
@@ -80,41 +79,6 @@
 }
 
 /**
- * Built-in hook to find textures from Sprites.
- *
- * @private
- * @param {PIXI.DisplayObject} item - Display object to check
- * @param {Array<*>} queue - Collection of items to upload
- * @return {boolean} if a PIXI.Texture object was found.
- */
-function findBaseTextures(item, queue)
-{
-    // Objects with textures, like Sprites/Text
-    if (item instanceof core.BaseTexture)
-    {
-        if (queue.indexOf(item) === -1)
-        {
-            queue.push(item);
-        }
-
-        return true;
-    }
-    else if (item._texture && item._texture instanceof core.Texture)
-    {
-        const texture = item._texture.baseTexture;
-
-        if (queue.indexOf(texture) === -1)
-        {
-            queue.push(texture);
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
-/**
  * Built-in hook to find graphics.
  *
  * @private
diff --git a/test/.eslintrc.json b/test/.eslintrc.json
index e03220d..ac12110 100644
--- a/test/.eslintrc.json
+++ b/test/.eslintrc.json
@@ -12,7 +12,8 @@
         "sinon": false,
         "expect": false,
         "assert": false,
-        "PIXI": false
+        "PIXI": false,
+        "PointerEvent": true
     },
     "rules": {
         "func-names": 0,
diff --git a/test/core/BaseTexture.js b/test/core/BaseTexture.js
index 8b93478..bb65068 100644
--- a/test/core/BaseTexture.js
+++ b/test/core/BaseTexture.js
@@ -14,4 +14,28 @@
             expect(baseTexture.imageType).to.be.equals('png');
         });
     });
+
+    it('should remove Canvas BaseTexture from cache on destroy', function ()
+    {
+        const canvas = document.createElement('canvas');
+        const texture = PIXI.BaseTexture.fromCanvas(canvas);
+        const _pixiId = canvas._pixiId;
+
+        expect(PIXI.utils.BaseTextureCache[_pixiId]).to.equal(texture);
+        texture.destroy();
+        expect(PIXI.utils.BaseTextureCache[_pixiId]).to.equal(undefined);
+    });
+
+    it('should remove Image BaseTexture from cache on destroy', function ()
+    {
+        const URL = 'foo.png';
+        const NAME = 'bar';
+        const image = new Image();
+
+        const texture = PIXI.Texture.fromLoader(image, URL, NAME);
+
+        expect(PIXI.utils.BaseTextureCache[NAME]).to.equal(texture.baseTexture);
+        texture.destroy(true);
+        expect(PIXI.utils.BaseTextureCache[NAME]).to.equal(undefined);
+    });
 });
diff --git a/test/core/Circle.js b/test/core/Circle.js
index 183f98f..f621992 100644
--- a/test/core/Circle.js
+++ b/test/core/Circle.js
@@ -53,6 +53,10 @@
         expect(circ1.contains(10, 16)).to.be.false;
         expect(circ1.contains(11, 15)).to.be.false;
         expect(circ1.contains(0, 0)).to.be.false;
+
+        const circ2 = new PIXI.Circle(10, 10, 0);
+
+        expect(circ2.contains(10, 10)).to.be.false;
     });
 
     it('should return framing rectangle', function ()
diff --git a/test/core/Container.js b/test/core/Container.js
index d11be33..cefde54 100644
--- a/test/core/Container.js
+++ b/test/core/Container.js
@@ -2,30 +2,36 @@
 
 function testAddChild(fn)
 {
-    fn(function (container, obj)
+    return function ()
     {
-        container.addChild(obj);
-    });
-    fn(function (container, obj)
-    {
-        container.addChildAt(obj);
-    });
+        fn(function (container, obj)
+        {
+            container.addChild(obj);
+        });
+        fn(function (container, obj)
+        {
+            container.addChildAt(obj);
+        });
+    };
 }
 
 function testRemoveChild(fn)
 {
-    fn(function (container, obj)
+    return function ()
     {
-        container.removeChild(obj);
-    });
-    fn(function (container, obj)
-    {
-        container.removeChildAt(container.children.indexOf(obj));
-    });
-    fn(function (container, obj)
-    {
-        container.removeChildren(container.children.indexOf(obj), container.children.indexOf(obj) + 1);
-    });
+        fn(function (container, obj)
+        {
+            container.removeChild(obj);
+        });
+        fn(function (container, obj)
+        {
+            container.removeChildAt(container.children.indexOf(obj));
+        });
+        fn(function (container, obj)
+        {
+            container.removeChildren(container.children.indexOf(obj), container.children.indexOf(obj) + 1);
+        });
+    };
 }
 
 describe('PIXI.Container', function ()
diff --git a/test/core/Ellipse.js b/test/core/Ellipse.js
index f2e8234..3f47442 100644
--- a/test/core/Ellipse.js
+++ b/test/core/Ellipse.js
@@ -56,6 +56,10 @@
         expect(ellipse1.contains(10, 16)).to.be.false;
         expect(ellipse1.contains(11, 15)).to.be.false;
         expect(ellipse1.contains(0, 0)).to.be.false;
+
+        const ellipse2 = new PIXI.Ellipse(10, 10, 0, 0);
+
+        expect(ellipse2.contains(10, 10)).to.be.false;
     });
 
     it('should return framing rectangle', function ()
diff --git a/test/core/Matrix.js b/test/core/Matrix.js
index 9d2694b..76bd57c 100644
--- a/test/core/Matrix.js
+++ b/test/core/Matrix.js
@@ -107,10 +107,60 @@
         expect(m1.ty).to.equal(m2.ty);
     });
 
+    it('should prepend matrix', function ()
+    {
+        const m1 = new PIXI.Matrix();
+        const m2 = new PIXI.Matrix();
+
+        m2.set(2, 3, 4, 5, 100, 200);
+        m1.prepend(m2);
+
+        expect(m1.a).to.equal(m2.a);
+        expect(m1.b).to.equal(m2.b);
+        expect(m1.c).to.equal(m2.c);
+        expect(m1.d).to.equal(m2.d);
+        expect(m1.tx).to.equal(m2.tx);
+        expect(m1.ty).to.equal(m2.ty);
+
+        const m3 = new PIXI.Matrix();
+        const m4 = new PIXI.Matrix();
+
+        m3.prepend(m4);
+
+        expect(m3.a).to.equal(m4.a);
+        expect(m3.b).to.equal(m4.b);
+        expect(m3.c).to.equal(m4.c);
+        expect(m3.d).to.equal(m4.d);
+        expect(m3.tx).to.equal(m4.tx);
+        expect(m3.ty).to.equal(m4.ty);
+    });
+
     it('should get IDENTITY and TEMP_MATRIX', function ()
     {
         expect(PIXI.Matrix.IDENTITY instanceof PIXI.Matrix).to.be.true;
         expect(PIXI.Matrix.TEMP_MATRIX instanceof PIXI.Matrix).to.be.true;
     });
-});
 
+    it('should reset matrix to default when identity() is called', function ()
+    {
+        const matrix = new PIXI.Matrix();
+
+        matrix.set(2, 3, 4, 5, 100, 200);
+
+        expect(matrix.a).to.equal(2);
+        expect(matrix.b).to.equal(3);
+        expect(matrix.c).to.equal(4);
+        expect(matrix.d).to.equal(5);
+        expect(matrix.tx).to.equal(100);
+        expect(matrix.ty).to.equal(200);
+
+        matrix.identity();
+
+        expect(matrix.a).to.equal(1);
+        expect(matrix.b).to.equal(0);
+        expect(matrix.c).to.equal(0);
+        expect(matrix.d).to.equal(1);
+        expect(matrix.tx).to.equal(0);
+        expect(matrix.ty).to.equal(0);
+    });
+});
diff --git a/test/core/Spritesheet.js b/test/core/Spritesheet.js
index 283adf5..7601a0c 100644
--- a/test/core/Spritesheet.js
+++ b/test/core/Spritesheet.js
@@ -18,6 +18,7 @@
                 expect(textures[id]).to.be.an.instanceof(PIXI.Texture);
                 expect(textures[id].width).to.equal(spritesheet.data.frames[id].frame.w / spritesheet.resolution);
                 expect(textures[id].height).to.equal(spritesheet.data.frames[id].frame.h / spritesheet.resolution);
+                expect(textures[id].textureCacheId).to.equal(id);
                 spritesheet.destroy(true);
                 expect(spritesheet.textures).to.be.null;
                 expect(spritesheet.baseTexture).to.be.null;
diff --git a/test/core/Texture.js b/test/core/Texture.js
index 8c4ef98..241ec3e 100644
--- a/test/core/Texture.js
+++ b/test/core/Texture.js
@@ -16,4 +16,20 @@
         expect(PIXI.utils.TextureCache[URL]).to.equal(texture);
         expect(PIXI.utils.BaseTextureCache[URL]).to.equal(texture.baseTexture);
     });
+
+    it('should remove Texture from cache on destroy', function ()
+    {
+        const NAME = 'foo';
+        const NAME2 = 'bar';
+        const texture = new PIXI.Texture(new PIXI.BaseTexture());
+
+        PIXI.Texture.addTextureToCache(texture, NAME);
+        PIXI.Texture.addTextureToCache(texture, NAME2);
+        expect(texture.textureCacheId).to.equal(NAME);
+        expect(PIXI.utils.TextureCache[NAME]).to.equal(texture);
+        expect(PIXI.utils.TextureCache[NAME2]).to.equal(texture);
+        texture.destroy();
+        expect(PIXI.utils.TextureCache[NAME]).to.equal(undefined);
+        expect(PIXI.utils.TextureCache[NAME2]).to.equal(undefined);
+    });
 });
diff --git a/test/core/Ticker.js b/test/core/Ticker.js
new file mode 100644
index 0000000..188770f
--- /dev/null
+++ b/test/core/Ticker.js
@@ -0,0 +1,322 @@
+'use strict';
+
+const Ticker = PIXI.ticker.Ticker;
+const shared = PIXI.ticker.shared;
+
+describe('PIXI.ticker.Ticker', function ()
+{
+    before(function ()
+    {
+        this.length = (ticker) =>
+        {
+            ticker = ticker || shared;
+
+            if (!ticker._head || !ticker._head.next)
+            {
+                return 0;
+            }
+
+            let listener = ticker._head.next;
+            let i = 0;
+
+            while (listener)
+            {
+                listener = listener.next;
+                i++;
+            }
+
+            return i;
+        };
+    });
+
+    it('should be available', function ()
+    {
+        expect(Ticker).to.be.a.function;
+        expect(shared).to.be.an.instanceof(Ticker);
+    });
+
+    it('should create a new ticker and destroy it', function ()
+    {
+        const ticker = new Ticker();
+
+        ticker.start();
+
+        const listener = sinon.spy();
+
+        expect(this.length(ticker)).to.equal(0);
+
+        ticker.add(listener);
+
+        expect(this.length(ticker)).to.equal(1);
+
+        ticker.destroy();
+
+        expect(ticker._head).to.be.null;
+        expect(ticker.started).to.be.false;
+        expect(this.length(ticker)).to.equal(0);
+    });
+
+    it('should protect destroying shared ticker', function ()
+    {
+        shared.destroy();
+        expect(shared._head).to.not.be.null;
+        expect(shared.started).to.be.true;
+    });
+
+    it('should add and remove listener', function ()
+    {
+        const listener = sinon.spy();
+        const length = this.length();
+
+        shared.add(listener);
+
+        expect(this.length()).to.equal(length + 1);
+
+        shared.remove(listener);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should update a listener', function ()
+    {
+        const listener = sinon.spy();
+
+        shared.add(listener);
+        shared.update();
+
+        expect(listener.calledOnce).to.be.true;
+
+        shared.remove(listener);
+        shared.update();
+
+        expect(listener.calledOnce).to.be.true;
+    });
+
+    it('should update a listener twice and remove once', function ()
+    {
+        const listener = sinon.spy();
+        const length = this.length();
+
+        shared.add(listener).add(listener);
+        shared.update();
+
+        expect(listener.calledTwice).to.be.true;
+        expect(this.length()).to.equal(length + 2);
+
+        shared.remove(listener);
+        shared.update();
+
+        expect(listener.calledTwice).to.be.true;
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should respect priority order', function ()
+    {
+        const length = this.length();
+        const listener1 = sinon.spy();
+        const listener2 = sinon.spy();
+        const listener3 = sinon.spy();
+        const listener4 = sinon.spy();
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.LOW)
+            .add(listener4, null, PIXI.UPDATE_PRIORITY.INTERACTION)
+            .add(listener3, null, PIXI.UPDATE_PRIORITY.HIGH)
+            .add(listener2, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 4);
+
+        sinon.assert.callOrder(listener4, listener3, listener2, listener1);
+
+        shared.remove(listener1)
+            .remove(listener2)
+            .remove(listener3)
+            .remove(listener4);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should auto-remove once listeners', function ()
+    {
+        const length = this.length();
+        const listener = sinon.spy();
+
+        shared.addOnce(listener);
+
+        shared.update();
+
+        expect(listener.calledOnce).to.be.true;
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should call inserted item with a lower priority', function ()
+    {
+        const length = this.length();
+        const lowListener = sinon.spy();
+        const highListener = sinon.spy();
+        const mainListener = sinon.spy(() =>
+        {
+            shared.add(highListener, null, PIXI.UPDATE_PRIORITY.HIGH);
+            shared.add(lowListener, null, PIXI.UPDATE_PRIORITY.LOW);
+        });
+
+        shared.add(mainListener, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 3);
+
+        expect(mainListener.calledOnce).to.be.true;
+        expect(lowListener.calledOnce).to.be.true;
+        expect(highListener.calledOnce).to.be.false;
+
+        shared.remove(mainListener)
+            .remove(highListener)
+            .remove(lowListener);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should remove emit low-priority item during emit', function ()
+    {
+        const length = this.length();
+        const listener2 = sinon.spy();
+        const listener1 = sinon.spy(() =>
+        {
+            shared.add(listener2, null, PIXI.UPDATE_PRIORITY.LOW);
+        });
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 2);
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener1.calledOnce).to.be.true;
+
+        shared.remove(listener1)
+            .remove(listener2);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should remove itself on emit after adding new item', function ()
+    {
+        const length = this.length();
+        const listener2 = sinon.spy();
+        const listener1 = sinon.spy(() =>
+        {
+            shared.add(listener2, null, PIXI.UPDATE_PRIORITY.LOW);
+            shared.remove(listener1);
+
+            // listener is removed right away
+            expect(this.length()).to.equal(length + 1);
+        });
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 1);
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener1.calledOnce).to.be.true;
+
+        shared.remove(listener2);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should remove itself before, still calling new item', function ()
+    {
+        const length = this.length();
+        const listener2 = sinon.spy();
+        const listener1 = sinon.spy(() =>
+        {
+            shared.remove(listener1);
+            shared.add(listener2, null, PIXI.UPDATE_PRIORITY.LOW);
+
+            // listener is removed right away
+            expect(this.length()).to.equal(length + 1);
+        });
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 1);
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener1.calledOnce).to.be.true;
+
+        shared.remove(listener2);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should remove items before and after current priority', function ()
+    {
+        const length = this.length();
+        const listener2 = sinon.spy();
+        const listener3 = sinon.spy();
+        const listener4 = sinon.spy();
+
+        shared.add(listener2, null, PIXI.UPDATE_PRIORITY.HIGH);
+        shared.add(listener3, null, PIXI.UPDATE_PRIORITY.LOW);
+        shared.add(listener4, null, PIXI.UPDATE_PRIORITY.LOW);
+
+        const listener1 = sinon.spy(() =>
+        {
+            shared.remove(listener2)
+                .remove(listener3);
+
+            // listener is removed right away
+            expect(this.length()).to.equal(length + 2);
+        });
+
+        shared.add(listener1, null, PIXI.UPDATE_PRIORITY.NORMAL);
+
+        shared.update();
+
+        expect(this.length()).to.equal(length + 2);
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener3.calledOnce).to.be.false;
+        expect(listener4.calledOnce).to.be.true;
+        expect(listener1.calledOnce).to.be.true;
+
+        shared.update();
+
+        expect(listener2.calledOnce).to.be.true;
+        expect(listener3.calledOnce).to.be.false;
+        expect(listener4.calledTwice).to.be.true;
+        expect(listener1.calledTwice).to.be.true;
+
+        shared.remove(listener1)
+            .remove(listener4);
+
+        expect(this.length()).to.equal(length);
+    });
+
+    it('should destroy on listener', function (done)
+    {
+        const ticker = new Ticker();
+        const listener2 = sinon.spy();
+        const listener = sinon.spy(() =>
+        {
+            ticker.destroy();
+            setTimeout(() =>
+            {
+                expect(listener2.called).to.be.false;
+                expect(listener.calledOnce).to.be.true;
+                done();
+            }, 0);
+        });
+
+        ticker.add(listener);
+        ticker.add(listener2, null, PIXI.UPDATE_PRIORITY.LOW);
+        ticker.start();
+    });
+});
diff --git a/test/core/TilingSprite.js b/test/core/TilingSprite.js
index 2e449a7..7694792 100644
--- a/test/core/TilingSprite.js
+++ b/test/core/TilingSprite.js
@@ -24,4 +24,25 @@
             expect(bounds.height).to.equal(600);
         });
     });
+
+    it('checks if tilingSprite contains a point', function ()
+    {
+        const texture = new PIXI.Texture(new PIXI.BaseTexture());
+        const tilingSprite = new PIXI.extras.TilingSprite(texture, 200, 300);
+
+        expect(tilingSprite.containsPoint(new PIXI.Point(1, 1))).to.equal(true);
+        expect(tilingSprite.containsPoint(new PIXI.Point(300, 400))).to.equal(false);
+    });
+
+    it('gets and sets height and width correctly', function ()
+    {
+        const texture = new PIXI.Texture(new PIXI.BaseTexture());
+        const tilingSprite = new PIXI.extras.TilingSprite(texture, 200, 300);
+
+        tilingSprite.width = 400;
+        tilingSprite.height = 600;
+
+        expect(tilingSprite.width).to.equal(400);
+        expect(tilingSprite.height).to.equal(600);
+    });
 });
diff --git a/test/core/index.js b/test/core/index.js
index 8530131..58dc30e 100755
--- a/test/core/index.js
+++ b/test/core/index.js
@@ -17,6 +17,7 @@
 require('./util');
 require('./Plane');
 require('./Point');
+require('./Polygon');
 require('./ObservablePoint');
 require('./Matrix');
 require('./Rectangle');
@@ -27,4 +28,5 @@
 require('./WebGLRenderer');
 require('./Ellipse');
 require('./Texture');
+require('./Ticker');
 require('./filters');
diff --git a/test/interaction/InteractionManager.js b/test/interaction/InteractionManager.js
index 0e7e707..31385b9 100644
--- a/test/interaction/InteractionManager.js
+++ b/test/interaction/InteractionManager.js
@@ -4,6 +4,16 @@
 
 describe('PIXI.interaction.InteractionManager', function ()
 {
+    afterEach(function ()
+    {
+        // if we made a MockPointer for the test, clean it up
+        if (this.pointer)
+        {
+            this.pointer.cleanUp();
+            this.pointer = null;
+        }
+    });
+
     describe('event basics', function ()
     {
         it('should call mousedown handler', function ()
@@ -11,7 +21,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const eventSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -29,7 +39,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const eventSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -47,7 +57,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const eventSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -66,7 +76,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const eventSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -84,7 +94,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const eventSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -286,7 +296,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const clickSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -304,7 +314,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const clickSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -316,6 +326,29 @@
 
             expect(clickSpy).to.not.have.been.called;
         });
+
+        it('should not call handler when mousedown not received', function ()
+        {
+            const stage = new PIXI.Container();
+            const graphics = new PIXI.Graphics();
+            const clickSpy = sinon.spy();
+            const pointer = new MockPointer(stage);
+
+            stage.addChild(graphics);
+            graphics.beginFill(0xFFFFFF);
+            graphics.drawRect(0, 0, 50, 50);
+            graphics.interactive = true;
+            graphics.on('click', clickSpy);
+
+            pointer.mouseup(10, 10);
+
+            expect(clickSpy, 'click should not happen on first mouseup').to.not.have.been.called;
+
+            // test again, just because it was a bug that was reported
+            pointer.mouseup(20, 20);
+
+            expect(clickSpy, 'click should not happen on second mouseup').to.not.have.been.called;
+        });
     });
 
     describe('onTap', function ()
@@ -325,7 +358,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const clickSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -343,7 +376,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const clickSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -359,32 +392,62 @@
 
     describe('overlapping children', function ()
     {
-        function getScene(callbackEventName)
+        function getScene(callbackEventName, splitParents)
         {
             const behindChild = new PIXI.Graphics();
             const frontChild = new PIXI.Graphics();
             const parent = new PIXI.Container();
-            const behindChildCallback = sinon.spy();
-            const frontChildCallback = sinon.spy();
-            const parentCallback = sinon.spy();
+            const behindChildCallback = sinon.spy(function behindSpy() { /* no op*/ });
+            const frontChildCallback = sinon.spy(function frontSpy() { /* no op*/ });
+            const parentCallback = sinon.spy(function parentSpy() { /* no op*/ });
+            let behindParent;
+            let frontParent;
+            let behindParentCallback;
+            let frontParentCallback;
 
             behindChild.beginFill(0xFF);
             behindChild.drawRect(0, 0, 50, 50);
             behindChild.on(callbackEventName, behindChildCallback);
+            behindChild.name = 'behind';
 
             frontChild.beginFill(0x00FF);
             frontChild.drawRect(0, 0, 50, 50);
             frontChild.on(callbackEventName, frontChildCallback);
+            frontChild.name = 'front';
 
-            parent.addChild(behindChild, frontChild);
+            if (splitParents)
+            {
+                behindParent = new PIXI.Container();
+                behindParent.name = 'behindParent';
+                frontParent = new PIXI.Container();
+                frontParent.name = 'frontParent';
+                behindParentCallback = sinon.spy(function behindParentSpy() { /* no op*/ });
+                frontParentCallback = sinon.spy(function frontParentSpy() { /* no op*/ });
+                behindParent.on(callbackEventName, behindParentCallback);
+                frontParent.on(callbackEventName, frontParentCallback);
+
+                parent.addChild(behindParent, frontParent);
+                behindParent.addChild(behindChild);
+                frontParent.addChild(frontChild);
+
+                parent.name = 'parent';
+            }
+            else
+            {
+                parent.addChild(behindChild, frontChild);
+            }
             parent.on(callbackEventName, parentCallback);
 
             return {
                 behindChild,
                 frontChild,
+                behindParent,
+                frontParent,
                 parent,
                 behindChildCallback,
                 frontChildCallback,
+                behindParentCallback,
+                frontParentCallback,
                 parentCallback,
             };
         }
@@ -396,7 +459,7 @@
                 it('should callback front child when clicking front child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -414,7 +477,7 @@
                 it('should callback front child when clicking overlap', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -432,7 +495,7 @@
                 it('should callback behind child when clicking behind child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -446,6 +509,48 @@
                     expect(scene.behindChildCallback).to.have.been.calledOnce;
                     expect(scene.parentCallback).to.not.have.been.called;
                 });
+
+                it('should callback front child of different non-interactive parents when clicking overlap', function ()
+                {
+                    const stage = new PIXI.Container();
+                    const pointer = this.pointer = new MockPointer(stage);
+                    const scene = getScene('click', true);
+
+                    scene.behindChild.interactive = true;
+                    scene.behindChild.x = 25;
+                    scene.frontChild.interactive = true;
+
+                    stage.addChild(scene.parent);
+                    pointer.click(40, 10);
+
+                    expect(scene.behindChildCallback).to.not.have.been.called;
+                    expect(scene.frontChildCallback).to.have.been.calledOnce;
+                    expect(scene.parentCallback).to.not.have.been.called;
+                    expect(scene.behindParentCallback).to.not.have.been.called;
+                    expect(scene.frontParentCallback).to.not.have.been.called;
+                });
+
+                it('should callback front child of different interactive parents when clicking overlap', function ()
+                {
+                    const stage = new PIXI.Container();
+                    const pointer = this.pointer = new MockPointer(stage);
+                    const scene = getScene('click', true);
+
+                    scene.behindChild.interactive = true;
+                    scene.behindChild.x = 25;
+                    scene.frontChild.interactive = true;
+                    scene.behindParent.interactive = true;
+                    scene.frontParent.interactive = true;
+
+                    stage.addChild(scene.parent);
+                    pointer.click(40, 10);
+
+                    expect(scene.behindChildCallback).to.not.have.been.called;
+                    expect(scene.frontChildCallback).to.have.been.calledOnce;
+                    expect(scene.parentCallback).to.not.have.been.called;
+                    expect(scene.behindParentCallback).to.not.have.been.called;
+                    expect(scene.frontParentCallback).to.have.been.calledOnce;
+                });
             });
 
             describe('when front child is non-interactive', function ()
@@ -453,7 +558,7 @@
                 it('should not callback when clicking front child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -470,7 +575,7 @@
                 it('should callback behind child when clicking overlap', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -487,7 +592,7 @@
                 it('should callback behind child when clicking behind child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -507,7 +612,7 @@
                 it('should callback front child when clicking front child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.x = 25;
@@ -524,7 +629,7 @@
                 it('should callback front child when clicking overlap', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.x = 25;
@@ -541,7 +646,7 @@
                 it('should not callback when clicking behind child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.x = 25;
@@ -564,7 +669,7 @@
                 it('should callback parent and front child when clicking front child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -583,7 +688,7 @@
                 it('should callback parent and front child when clicking overlap', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -602,7 +707,7 @@
                 it('should callback parent and behind child when clicking behind child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -617,6 +722,50 @@
                     expect(scene.behindChildCallback).to.have.been.calledOnce;
                     expect(scene.parentCallback).to.have.been.calledOnce;
                 });
+
+                it('should callback front child of different non-interactive parents when clicking overlap', function ()
+                {
+                    const stage = new PIXI.Container();
+                    const pointer = this.pointer = new MockPointer(stage);
+                    const scene = getScene('click', true);
+
+                    scene.behindChild.interactive = true;
+                    scene.behindChild.x = 25;
+                    scene.frontChild.interactive = true;
+                    scene.parent.interactive = true;
+
+                    stage.addChild(scene.parent);
+                    pointer.click(40, 10);
+
+                    expect(scene.behindChildCallback).to.not.have.been.called;
+                    expect(scene.frontChildCallback).to.have.been.calledOnce;
+                    expect(scene.parentCallback).to.have.been.calledOnce;
+                    expect(scene.behindParentCallback).to.not.have.been.called;
+                    expect(scene.frontParentCallback).to.not.have.been.called;
+                });
+
+                it('should callback front child of different interactive parents when clicking overlap', function ()
+                {
+                    const stage = new PIXI.Container();
+                    const pointer = this.pointer = new MockPointer(stage);
+                    const scene = getScene('click', true);
+
+                    scene.behindChild.interactive = true;
+                    scene.behindChild.x = 25;
+                    scene.frontChild.interactive = true;
+                    scene.parent.interactive = true;
+                    scene.behindParent.interactive = true;
+                    scene.frontParent.interactive = true;
+
+                    stage.addChild(scene.parent);
+                    pointer.click(40, 10);
+
+                    expect(scene.behindChildCallback).to.not.have.been.called;
+                    expect(scene.frontChildCallback).to.have.been.calledOnce;
+                    expect(scene.parentCallback).to.have.been.calledOnce;
+                    expect(scene.behindParentCallback).to.not.have.been.called;
+                    expect(scene.frontParentCallback).to.have.been.calledOnce;
+                });
             });
 
             describe('when front child is non-interactive', function ()
@@ -624,7 +773,7 @@
                 it('should callback parent when clicking front child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -642,7 +791,7 @@
                 it('should callback parent and behind child when clicking overlap', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -660,7 +809,7 @@
                 it('should callback parent and behind child when clicking behind child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.interactive = true;
@@ -681,7 +830,7 @@
                 it('should callback parent and front child when clicking front child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.x = 25;
@@ -699,7 +848,7 @@
                 it('should callback parent and front child when clicking overlap', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.x = 25;
@@ -717,7 +866,7 @@
                 it('should callback parent when clicking behind child', function ()
                 {
                     const stage = new PIXI.Container();
-                    const pointer = new MockPointer(stage);
+                    const pointer = this.pointer = new MockPointer(stage);
                     const scene = getScene('click');
 
                     scene.behindChild.x = 25;
@@ -733,6 +882,42 @@
                 });
             });
         });
+
+        it('Semi-complicated nesting with overlap, should not call behind callback', function ()
+        {
+            const stage = new PIXI.Container();
+            const frontParent = new PIXI.Container();
+            const frontChild = new PIXI.Graphics();
+            const behindParent = new PIXI.Container();
+            const subParent = new PIXI.Container();
+            const behindChild = new PIXI.Graphics();
+            const behindCallback = sinon.spy(function behindSpy() { /* no op*/ });
+            const frontCallback = sinon.spy(function frontSpy() { /* no op*/ });
+
+            behindChild.beginFill(0xFF);
+            behindChild.drawRect(0, 0, 50, 50);
+            subParent.on('click', behindCallback);
+
+            frontChild.beginFill(0x00FF);
+            frontChild.drawRect(0, 0, 50, 50);
+            frontParent.on('click', frontCallback);
+            const pointer = this.pointer = new MockPointer(stage);
+
+            behindParent.x = 25;
+            subParent.interactive = true;
+            frontParent.interactive = true;
+
+            behindParent.addChild(subParent);
+            subParent.addChild(behindChild);
+            stage.addChild(behindParent);
+            frontParent.addChild(frontChild);
+            stage.addChild(frontParent);
+
+            pointer.click(40, 10);
+
+            expect(behindCallback).to.not.have.been.called;
+            expect(frontCallback).to.have.been.calledOnce;
+        });
     });
 
     describe('cursor changes', function ()
@@ -741,7 +926,7 @@
         {
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -759,7 +944,7 @@
         {
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -778,7 +963,7 @@
         {
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -797,7 +982,7 @@
         {
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -818,7 +1003,7 @@
             const graphics = new PIXI.Graphics();
             const overSpy = sinon.spy();
             const defaultSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -840,7 +1025,7 @@
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
             const defaultSpy = sinon.spy();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -859,7 +1044,7 @@
         {
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -881,7 +1066,7 @@
         {
             const stage = new PIXI.Container();
             const graphics = new PIXI.Graphics();
-            const pointer = new MockPointer(stage);
+            const pointer = this.pointer = new MockPointer(stage);
 
             stage.addChild(graphics);
             graphics.beginFill(0xFFFFFF);
@@ -932,7 +1117,7 @@
             it('should stop hitTesting after first hit', function ()
             {
                 const scene = getScene();
-                const pointer = new MockPointer(scene.stage);
+                const pointer = this.pointer = new MockPointer(scene.stage);
                 const frontHitTest = sinon.spy(scene.frontChild, 'containsPoint');
                 const middleHitTest = sinon.spy(scene.middleChild, 'containsPoint');
                 const behindHitTest = sinon.spy(scene.behindChild, 'containsPoint');
@@ -954,7 +1139,7 @@
             it('should stop hitTesting after first hit', function ()
             {
                 const scene = getScene();
-                const pointer = new MockPointer(scene.stage);
+                const pointer = this.pointer = new MockPointer(scene.stage);
                 const frontHitTest = sinon.spy(scene.frontChild, 'containsPoint');
                 const middleHitTest = sinon.spy(scene.middleChild, 'containsPoint');
                 const behindHitTest = sinon.spy(scene.behindChild, 'containsPoint');
@@ -971,4 +1156,127 @@
             });
         });
     });
+
+    describe('pointer handling', function ()
+    {
+        it('pointer event from mouse should use single mouse data', function ()
+        {
+            const stage = new PIXI.Container();
+            const graphics = new PIXI.Graphics();
+            const pointer = this.pointer = new MockPointer(stage, 100, 100, true);
+
+            stage.addChild(graphics);
+            graphics.beginFill(0xFFFFFF);
+            graphics.drawRect(0, 0, 50, 50);
+            graphics.interactive = true;
+
+            pointer.mousemove(20, 10, true);
+
+            expect(pointer.interaction.mouse.global.x).to.equal(20);
+            expect(pointer.interaction.mouse.global.y).to.equal(10);
+        });
+    });
+
+    describe('data cleanup', function ()
+    {
+        it('touchleave after touchout should not orphan data', function ()
+        {
+            const stage = new PIXI.Container();
+            const graphics = new PIXI.Graphics();
+            const pointer = this.pointer = new MockPointer(stage);
+
+            stage.addChild(graphics);
+            graphics.beginFill(0xFFFFFF);
+            graphics.drawRect(0, 0, 50, 50);
+            graphics.interactive = true;
+
+            pointer.touchstart(10, 10, 42);
+            expect(pointer.interaction.activeInteractionData[42]).to.exist;
+            pointer.touchend(10, 10, 42);
+            expect(pointer.interaction.activeInteractionData[42]).to.be.undefined;
+            pointer.touchleave(10, 10, 42);
+            expect(pointer.interaction.activeInteractionData[42]).to.be.undefined;
+        });
+    });
+
+    describe('hitTest()', function ()
+    {
+        it('should return hit', function ()
+        {
+            const stage = new PIXI.Container();
+            const graphics = new PIXI.Graphics();
+            const pointer = this.pointer = new MockPointer(stage);
+
+            stage.addChild(graphics);
+            graphics.beginFill(0xFFFFFF);
+            graphics.drawRect(0, 0, 50, 50);
+            graphics.interactive = true;
+
+            pointer.render();
+            const hit = pointer.interaction.hitTest(new PIXI.Point(10, 10));
+
+            expect(hit).to.equal(graphics);
+        });
+
+        it('should return null if not hit', function ()
+        {
+            const stage = new PIXI.Container();
+            const graphics = new PIXI.Graphics();
+            const pointer = this.pointer = new MockPointer(stage);
+
+            stage.addChild(graphics);
+            graphics.beginFill(0xFFFFFF);
+            graphics.drawRect(0, 0, 50, 50);
+            graphics.interactive = true;
+
+            pointer.render();
+            const hit = pointer.interaction.hitTest(new PIXI.Point(60, 60));
+
+            expect(hit).to.be.null;
+        });
+
+        it('should return top thing that was hit', function ()
+        {
+            const stage = new PIXI.Container();
+            const graphics = new PIXI.Graphics();
+            const behind = new PIXI.Graphics();
+            const pointer = this.pointer = new MockPointer(stage);
+
+            stage.addChild(behind);
+            stage.addChild(graphics);
+            graphics.beginFill(0xFFFFFF);
+            graphics.drawRect(0, 0, 50, 50);
+            graphics.interactive = true;
+            behind.beginFill(0xFFFFFF);
+            behind.drawRect(0, 0, 50, 50);
+            behind.interactive = true;
+
+            pointer.render();
+            const hit = pointer.interaction.hitTest(new PIXI.Point(10, 10));
+
+            expect(hit).to.equal(graphics);
+        });
+
+        it('should return hit when passing in root', function ()
+        {
+            const stage = new PIXI.Container();
+            const graphics = new PIXI.Graphics();
+            const behind = new PIXI.Graphics();
+            const pointer = this.pointer = new MockPointer(stage);
+
+            stage.addChild(behind);
+            stage.addChild(graphics);
+            graphics.beginFill(0xFFFFFF);
+            graphics.drawRect(0, 0, 50, 50);
+            graphics.interactive = true;
+            behind.beginFill(0xFFFFFF);
+            behind.drawRect(0, 0, 50, 50);
+            behind.interactive = true;
+
+            pointer.render();
+            const hit = pointer.interaction.hitTest(new PIXI.Point(10, 10), behind);
+
+            expect(hit).to.equal(behind);
+        });
+    });
 });
diff --git a/test/interaction/MockPointer.js b/test/interaction/MockPointer.js
index 67878af..c9c6228 100644
--- a/test/interaction/MockPointer.js
+++ b/test/interaction/MockPointer.js
@@ -11,13 +11,43 @@
      * @param {PIXI.Container} stage - The root of the scene tree
      * @param {number} [width=100] - Width of the renderer
      * @param {number} [height=100] - Height of the renderer
+     * @param {boolean} [ensurePointerEvents=false] - If we should make sure that PointerEvents are 'supported'
      */
-    constructor(stage, width, height)
+    constructor(stage, width, height, ensurePointerEvents)
     {
+        // fake PointerEvent existing
+        if (ensurePointerEvents && !window.PointerEvent)
+        {
+            window.PointerEvent = class PointerEvent extends MouseEvent
+            {
+                //eslint-disable-next-line
+                constructor(type, opts)
+                {
+                    super(type, opts);
+                    this.pointerType = opts.pointerType;
+                }
+            };
+            this.createdPointerEvent = true;
+        }
+
         this.stage = stage;
         this.renderer = new PIXI.CanvasRenderer(width || 100, height || 100);
         this.renderer.sayHello = () => { /* empty */ };
         this.interaction = this.renderer.plugins.interaction;
+        this.interaction.supportsTouchEvents = true;
+        PIXI.ticker.shared.remove(this.interaction.update, this.interaction);
+    }
+
+    /**
+     * Cleans up after tests
+     */
+    cleanup()
+    {
+        if (this.createdPointerEvent)
+        {
+            delete window.PointerEvent;
+        }
+        this.renderer.destroy();
     }
 
     /**
@@ -45,14 +75,29 @@
     /**
      * @param {number} x - pointer x position
      * @param {number} y - pointer y position
+     * @param {boolean} [asPointer] - if it should be a PointerEvent from a mouse
      */
-    mousemove(x, y)
+    mousemove(x, y, asPointer)
     {
-        const mouseEvent = new MouseEvent('mousemove', {
-            clientX: x,
-            clientY: y,
-            preventDefault: sinon.stub(),
-        });
+        let mouseEvent;
+
+        if (asPointer)
+        {
+            mouseEvent = new PointerEvent('pointermove', {
+                pointerType: 'mouse',
+                clientX: x,
+                clientY: y,
+                preventDefault: sinon.stub(),
+            });
+        }
+        else
+        {
+            mouseEvent = new MouseEvent('mousemove', {
+                clientX: x,
+                clientY: y,
+                preventDefault: sinon.stub(),
+            });
+        }
 
         this.setPosition(x, y);
         this.render();
@@ -97,9 +142,15 @@
      */
     mousedown(x, y)
     {
+        const mouseEvent = new MouseEvent('mousedown', {
+            clientX: x,
+            clientY: y,
+            preventDefault: sinon.stub(),
+        });
+
         this.setPosition(x, y);
         this.render();
-        this.interaction.onMouseDown({ clientX: 0, clientY: 0, preventDefault: sinon.stub() });
+        this.interaction.onPointerDown(mouseEvent);
     }
 
     /**
@@ -108,47 +159,83 @@
      */
     mouseup(x, y)
     {
-        this.setPosition(x, y);
-        this.render();
-        this.interaction.onMouseUp({ clientX: 0, clientY: 0, preventDefault: sinon.stub() });
-    }
-
-    /**
-     * @param {number} x - pointer x position
-     * @param {number} y - pointer y position
-     */
-    tap(x, y)
-    {
-        this.touchstart(x, y);
-        this.touchend(x, y);
-    }
-
-    /**
-     * @param {number} x - pointer x position
-     * @param {number} y - pointer y position
-     */
-    touchstart(x, y)
-    {
-        this.setPosition(x, y);
-        this.render();
-        this.interaction.onTouchStart({
+        const mouseEvent = new MouseEvent('mouseup', {
+            clientX: x,
+            clientY: y,
             preventDefault: sinon.stub(),
-            changedTouches: [new Touch({ identifier: 0, target: this.renderer.view })],
         });
+
+        this.setPosition(x, y);
+        this.render();
+        this.interaction.onPointerUp(mouseEvent);
     }
 
     /**
      * @param {number} x - pointer x position
      * @param {number} y - pointer y position
+     * @param {number} [identifier] - pointer id
      */
-    touchend(x, y)
+    tap(x, y, identifier)
     {
+        this.touchstart(x, y, identifier);
+        this.touchend(x, y, identifier);
+    }
+
+    /**
+     * @param {number} x - pointer x position
+     * @param {number} y - pointer y position
+     * @param {number} [identifier] - pointer id
+     */
+    touchstart(x, y, identifier)
+    {
+        const touchEvent = new TouchEvent('touchstart', {
+            preventDefault: sinon.stub(),
+            changedTouches: [
+                new Touch({ identifier: identifier || 0, target: this.renderer.view }),
+            ],
+        });
+
         this.setPosition(x, y);
         this.render();
-        this.interaction.onTouchEnd({
+        this.interaction.onPointerDown(touchEvent);
+    }
+
+    /**
+     * @param {number} x - pointer x position
+     * @param {number} y - pointer y position
+     * @param {number} [identifier] - pointer id
+     */
+    touchend(x, y, identifier)
+    {
+        const touchEvent = new TouchEvent('touchend', {
             preventDefault: sinon.stub(),
-            changedTouches: [new Touch({ identifier: 0, target: this.renderer.view })],
+            changedTouches: [
+                new Touch({ identifier: identifier || 0, target: this.renderer.view }),
+            ],
         });
+
+        this.setPosition(x, y);
+        this.render();
+        this.interaction.onPointerUp(touchEvent);
+    }
+
+    /**
+     * @param {number} x - pointer x position
+     * @param {number} y - pointer y position
+     * @param {number} [identifier] - pointer id
+     */
+    touchleave(x, y, identifier)
+    {
+        const touchEvent = new TouchEvent('touchleave', {
+            preventDefault: sinon.stub(),
+            changedTouches: [
+                new Touch({ identifier: identifier || 0, target: this.renderer.view }),
+            ],
+        });
+
+        this.setPosition(x, y);
+        this.render();
+        this.interaction.onPointerOut(touchEvent);
     }
 }
 
diff --git a/test/loaders/spritesheetParser.js b/test/loaders/spritesheetParser.js
index 79f8c15..4d54805 100644
--- a/test/loaders/spritesheetParser.js
+++ b/test/loaders/spritesheetParser.js
@@ -60,11 +60,46 @@
                 .that.is.an.instanceof(PIXI.Texture);
     });
 
+    it('should build the image url', function ()
+    {
+        function getResourcePath(url, image)
+        {
+            return PIXI.loaders.getResourcePath({
+                url,
+                data: { meta: { image } },
+            });
+        }
+
+        let result = getResourcePath('http://some.com/spritesheet.json', 'img.png');
+
+        expect(result).to.be.equals('http://some.com/img.png');
+
+        result = getResourcePath('http://some.com/some/dir/spritesheet.json', 'img.png');
+        expect(result).to.be.equals('http://some.com/some/dir/img.png');
+
+        result = getResourcePath('http://some.com/some/dir/spritesheet.json', './img.png');
+        expect(result).to.be.equals('http://some.com/some/dir/img.png');
+
+        result = getResourcePath('http://some.com/some/dir/spritesheet.json', '../img.png');
+        expect(result).to.be.equals('http://some.com/some/img.png');
+
+        result = getResourcePath('/spritesheet.json', 'img.png');
+        expect(result).to.be.equals('/img.png');
+
+        result = getResourcePath('/some/dir/spritesheet.json', 'img.png');
+        expect(result).to.be.equals('/some/dir/img.png');
+
+        result = getResourcePath('/some/dir/spritesheet.json', './img.png');
+        expect(result).to.be.equals('/some/dir/img.png');
+
+        result = getResourcePath('/some/dir/spritesheet.json', '../img.png');
+        expect(result).to.be.equals('/some/img.png');
+    });
+
     // TODO: Test that rectangles are created correctly.
     // TODO: Test that bathc processing works correctly.
     // TODO: Test that resolution processing works correctly.
     // TODO: Test that metadata is honored.
-    // TODO: Test data-url code paths.
 });
 
 function createMockResource(type, data)
diff --git a/test/prepare/BasePrepare.js b/test/prepare/BasePrepare.js
index 03cf2fa..26dc8ad 100644
--- a/test/prepare/BasePrepare.js
+++ b/test/prepare/BasePrepare.js
@@ -10,7 +10,7 @@
         expect(prep.renderer).to.equal(renderer);
         expect(prep.uploadHookHelper).to.be.null;
         expect(prep.queue).to.be.empty;
-        expect(prep.addHooks).to.have.lengthOf(2);
+        expect(prep.addHooks).to.have.lengthOf(5);
         expect(prep.uploadHooks).to.have.lengthOf(2);
         expect(prep.completes).to.be.empty;
 
@@ -23,10 +23,11 @@
         function uploadHook() { /* empty */ }
         const prep = new PIXI.prepare.BasePrepare();
 
-        prep.register(addHook, uploadHook);
+        prep.registerFindHook(addHook);
+        prep.registerUploadHook(uploadHook);
 
         expect(prep.addHooks).to.contain(addHook);
-        expect(prep.addHooks).to.have.lengthOf(3);
+        expect(prep.addHooks).to.have.lengthOf(6);
         expect(prep.uploadHooks).to.contain(uploadHook);
         expect(prep.uploadHooks).to.have.lengthOf(3);
 
@@ -58,7 +59,8 @@
         });
         const complete = sinon.spy(function () { /* empty */ });
 
-        prep.register(addHook, uploadHook);
+        prep.registerFindHook(addHook);
+        prep.registerUploadHook(uploadHook);
         prep.upload(uploadItem, complete);
 
         expect(prep.queue).to.contain(uploadItem);
@@ -82,7 +84,7 @@
         }
         const complete = sinon.spy(function () { /* empty */ });
 
-        prep.register(addHook);
+        prep.registerFindHook(addHook);
         prep.upload({}, complete);
 
         expect(complete.calledOnce).to.be.true;
@@ -106,7 +108,8 @@
         });
         const complete = sinon.spy(function () { /* empty */ });
 
-        prep.register(addHook, uploadHook);
+        prep.registerFindHook(addHook);
+        prep.registerUploadHook(uploadHook);
         prep.upload({}, complete);
 
         expect(prep.queue).to.have.lengthOf(1);
@@ -121,6 +124,41 @@
         prep.destroy();
     });
 
+    it('should remove destroyed items from queue', function ()
+    {
+        const prep = new PIXI.prepare.BasePrepare();
+
+        const addHook = sinon.spy(function (item, queue)
+        {
+            queue.push(item);
+
+            return true;
+        });
+        const uploadHook = sinon.spy(function ()
+        {
+            return false;
+        });
+        const complete = sinon.spy(function () { /* empty */ });
+
+        prep.registerFindHook(addHook);
+        prep.registerUploadHook(uploadHook);
+        const item = {};
+
+        prep.upload(item, complete);
+
+        expect(prep.queue).to.have.lengthOf(1);
+
+        item._destroyed = true;
+        prep.prepareItems();
+
+        expect(prep.queue).to.be.empty;
+        expect(addHook.calledOnce).to.be.true;
+        expect(uploadHook.called).to.be.false;
+        expect(complete.calledOnce).to.be.true;
+
+        prep.destroy();
+    });
+
     it('should attach to SharedTicker', function (done)
     {
         const prep = new PIXI.prepare.BasePrepare();
@@ -147,7 +185,8 @@
             done();
         }
 
-        prep.register(addHook, uploadHook);
+        prep.registerFindHook(addHook);
+        prep.registerUploadHook(uploadHook);
         prep.upload({}, complete);
 
         expect(prep.queue).to.have.lengthOf(1);